81542628

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{21991}}^1$

素因数の和:22104

約数の個数: 36

約数和(自身を含む): 208132288

約数和(自身を除く): 126589660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 206, 309, 412, 618, 927, 1236, 1854, 3708, 21991, 43982, 65973, 87964, 131946, 197919, 263892, 395838, 791676, 2265073, 4530146, 6795219, 9060292, 13590438, 20385657, 27180876, 40771314, 81542628]

約数ペア:

[(1, 81542628), (2, 40771314), (3, 27180876), (4, 20385657), (6, 13590438), (9, 9060292), (12, 6795219), (18, 4530146), (36, 2265073), (103, 791676), (206, 395838), (309, 263892), (412, 197919), (618, 131946), (927, 87964), (1236, 65973), (1854, 43982), (3708, 21991)]