81214854

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 208896000

約数和(自身を除く): 127681146

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 49, 57, 62, 67, 93, 98, 114, 133, 134, 147, 186, 201, 217, 266, 294, 343, 399, 402, 434, 469, 589, 651, 686, 798, 931, 938, 1029, 1178, 1273, 1302, 1407, 1519, 1767, 1862, 2058, 2077, 2546, 2793, 2814, 3038, 3283, 3534, 3819, 4123, 4154, 4557, 5586, 6231, 6517, 6566, 7638, 8246, 8911, 9114, 9849, 10633, 12369, 12462, 13034, 14539, 17822, 19551, 19698, 21266, 22981, 24738, 26733, 28861, 29078, 31899, 39102, 39463, 43617, 45962, 53466, 57722, 62377, 63798, 68943, 78926, 86583, 87234, 101773, 118389, 124754, 137886, 173166, 187131, 202027, 203546, 236778, 276241, 305319, 374262, 404054, 436639, 552482, 606081, 610638, 712411, 828723, 873278, 1212162, 1309917, 1424822, 1657446, 1933687, 2137233, 2619834, 3867374, 4274466, 5801061, 11602122, 13535809, 27071618, 40607427, 81214854]

約数ペア:

[(1, 81214854), (2, 40607427), (3, 27071618), (6, 13535809), (7, 11602122), (14, 5801061), (19, 4274466), (21, 3867374), (31, 2619834), (38, 2137233), (42, 1933687), (49, 1657446), (57, 1424822), (62, 1309917), (67, 1212162), (93, 873278), (98, 828723), (114, 712411), (133, 610638), (134, 606081), (147, 552482), (186, 436639), (201, 404054), (217, 374262), (266, 305319), (294, 276241), (343, 236778), (399, 203546), (402, 202027), (434, 187131), (469, 173166), (589, 137886), (651, 124754), (686, 118389), (798, 101773), (931, 87234), (938, 86583), (1029, 78926), (1178, 68943), (1273, 63798), (1302, 62377), (1407, 57722), (1519, 53466), (1767, 45962), (1862, 43617), (2058, 39463), (2077, 39102), (2546, 31899), (2793, 29078), (2814, 28861), (3038, 26733), (3283, 24738), (3534, 22981), (3819, 21266), (4123, 19698), (4154, 19551), (4557, 17822), (5586, 14539), (6231, 13034), (6517, 12462), (6566, 12369), (7638, 10633), (8246, 9849), (8911, 9114)]