81235931

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 101744640

約数和(自身を除く): 20508709

約数列:

[1, 7, 23, 29, 127, 137, 161, 203, 667, 889, 959, 2921, 3151, 3683, 3973, 4669, 17399, 20447, 22057, 25781, 27811, 84709, 91379, 121793, 400177, 504571, 592963, 639653, 2801239, 3531997, 11605133, 81235931]

約数ペア:

[(1, 81235931), (7, 11605133), (23, 3531997), (29, 2801239), (127, 639653), (137, 592963), (161, 504571), (203, 400177), (667, 121793), (889, 91379), (959, 84709), (2921, 27811), (3151, 25781), (3683, 22057), (3973, 20447), (4669, 17399)]