81541278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{743}}^1$

素因数の和:838

約数の個数: 96

約数和(自身を含む): 220985856

約数和(自身を除く): 139444578

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 67, 78, 91, 117, 126, 134, 182, 201, 234, 273, 402, 469, 546, 603, 743, 819, 871, 938, 1206, 1407, 1486, 1638, 1742, 2229, 2613, 2814, 4221, 4458, 5201, 5226, 6097, 6687, 7839, 8442, 9659, 10402, 12194, 13374, 15603, 15678, 18291, 19318, 28977, 31206, 36582, 46809, 49781, 54873, 57954, 67613, 86931, 93618, 99562, 109746, 135226, 149343, 173862, 202839, 298686, 348467, 405678, 448029, 608517, 647153, 696934, 896058, 1045401, 1217034, 1294306, 1941459, 2090802, 3136203, 3882918, 4530071, 5824377, 6272406, 9060142, 11648754, 13590213, 27180426, 40770639, 81541278]

約数ペア:

[(1, 81541278), (2, 40770639), (3, 27180426), (6, 13590213), (7, 11648754), (9, 9060142), (13, 6272406), (14, 5824377), (18, 4530071), (21, 3882918), (26, 3136203), (39, 2090802), (42, 1941459), (63, 1294306), (67, 1217034), (78, 1045401), (91, 896058), (117, 696934), (126, 647153), (134, 608517), (182, 448029), (201, 405678), (234, 348467), (273, 298686), (402, 202839), (469, 173862), (546, 149343), (603, 135226), (743, 109746), (819, 99562), (871, 93618), (938, 86931), (1206, 67613), (1407, 57954), (1486, 54873), (1638, 49781), (1742, 46809), (2229, 36582), (2613, 31206), (2814, 28977), (4221, 19318), (4458, 18291), (5201, 15678), (5226, 15603), (6097, 13374), (6687, 12194), (7839, 10402), (8442, 9659)]