81008095

素因数分解:

$5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 113799168

約数和(自身を除く): 32791073

約数列:

[1, 5, 7, 35, 97, 107, 223, 485, 535, 679, 749, 1115, 1561, 3395, 3745, 7805, 10379, 21631, 23861, 51895, 72653, 108155, 119305, 151417, 167027, 363265, 757085, 835135, 2314517, 11572585, 16201619, 81008095]

約数ペア:

[(1, 81008095), (5, 16201619), (7, 11572585), (35, 2314517), (97, 835135), (107, 757085), (223, 363265), (485, 167027), (535, 151417), (679, 119305), (749, 108155), (1115, 72653), (1561, 51895), (3395, 23861), (3745, 21631), (7805, 10379)]