81321786

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 238924800

約数和(自身を除く): 157603014

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 38, 39, 42, 54, 57, 63, 67, 78, 91, 114, 117, 126, 133, 134, 169, 171, 182, 189, 201, 234, 247, 266, 273, 338, 342, 351, 378, 399, 402, 469, 494, 507, 513, 546, 603, 702, 741, 798, 819, 871, 938, 1014, 1026, 1183, 1197, 1206, 1273, 1407, 1482, 1521, 1638, 1729, 1742, 1809, 2223, 2366, 2394, 2457, 2546, 2613, 2814, 3042, 3211, 3458, 3549, 3591, 3618, 3819, 4221, 4446, 4563, 4914, 5187, 5226, 6097, 6422, 6669, 7098, 7182, 7638, 7839, 8442, 8911, 9126, 9633, 10374, 10647, 11323, 11457, 12194, 12663, 13338, 15561, 15678, 16549, 17822, 18291, 19266, 21294, 22477, 22646, 22914, 23517, 25326, 26733, 28899, 31122, 31941, 33098, 33969, 34371, 36582, 44954, 46683, 47034, 49647, 53466, 54873, 57798, 63882, 67431, 67938, 68742, 79261, 80199, 86697, 93366, 99294, 101907, 109746, 115843, 134862, 148941, 158522, 160398, 164619, 173394, 202293, 203814, 215137, 231686, 237783, 240597, 297882, 305721, 329238, 347529, 404586, 430274, 446823, 475566, 481194, 606879, 611442, 645411, 695058, 713349, 893646, 1042587, 1213758, 1290822, 1426698, 1505959, 1936233, 2085174, 2140047, 3011918, 3127761, 3872466, 4280094, 4517877, 5808699, 6255522, 9035754, 11617398, 13553631, 27107262, 40660893, 81321786]

約数ペア:

[(1, 81321786), (2, 40660893), (3, 27107262), (6, 13553631), (7, 11617398), (9, 9035754), (13, 6255522), (14, 5808699), (18, 4517877), (19, 4280094), (21, 3872466), (26, 3127761), (27, 3011918), (38, 2140047), (39, 2085174), (42, 1936233), (54, 1505959), (57, 1426698), (63, 1290822), (67, 1213758), (78, 1042587), (91, 893646), (114, 713349), (117, 695058), (126, 645411), (133, 611442), (134, 606879), (169, 481194), (171, 475566), (182, 446823), (189, 430274), (201, 404586), (234, 347529), (247, 329238), (266, 305721), (273, 297882), (338, 240597), (342, 237783), (351, 231686), (378, 215137), (399, 203814), (402, 202293), (469, 173394), (494, 164619), (507, 160398), (513, 158522), (546, 148941), (603, 134862), (702, 115843), (741, 109746), (798, 101907), (819, 99294), (871, 93366), (938, 86697), (1014, 80199), (1026, 79261), (1183, 68742), (1197, 67938), (1206, 67431), (1273, 63882), (1407, 57798), (1482, 54873), (1521, 53466), (1638, 49647), (1729, 47034), (1742, 46683), (1809, 44954), (2223, 36582), (2366, 34371), (2394, 33969), (2457, 33098), (2546, 31941), (2613, 31122), (2814, 28899), (3042, 26733), (3211, 25326), (3458, 23517), (3549, 22914), (3591, 22646), (3618, 22477), (3819, 21294), (4221, 19266), (4446, 18291), (4563, 17822), (4914, 16549), (5187, 15678), (5226, 15561), (6097, 13338), (6422, 12663), (6669, 12194), (7098, 11457), (7182, 11323), (7638, 10647), (7839, 10374), (8442, 9633), (8911, 9126)]