81411156

素因数分解:

$2^2\times 3^4\times {\mathrm{71}}^1\times {\mathrm{3539}}^1$

素因数の和:3626

約数の個数: 60

約数和(自身を含む): 215883360

約数和(自身を除く): 134472204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 284, 324, 426, 639, 852, 1278, 1917, 2556, 3539, 3834, 5751, 7078, 7668, 10617, 11502, 14156, 21234, 23004, 31851, 42468, 63702, 95553, 127404, 191106, 251269, 286659, 382212, 502538, 573318, 753807, 1005076, 1146636, 1507614, 2261421, 3015228, 4522842, 6784263, 9045684, 13568526, 20352789, 27137052, 40705578, 81411156]

約数ペア:

[(1, 81411156), (2, 40705578), (3, 27137052), (4, 20352789), (6, 13568526), (9, 9045684), (12, 6784263), (18, 4522842), (27, 3015228), (36, 2261421), (54, 1507614), (71, 1146636), (81, 1005076), (108, 753807), (142, 573318), (162, 502538), (213, 382212), (284, 286659), (324, 251269), (426, 191106), (639, 127404), (852, 95553), (1278, 63702), (1917, 42468), (2556, 31851), (3539, 23004), (3834, 21234), (5751, 14156), (7078, 11502), (7668, 10617)]