9981545

素因数分解:

$5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 14084928

約数和(自身を除く): 4103383

約数列:

[1, 5, 7, 35, 49, 131, 245, 311, 655, 917, 1555, 2177, 4585, 6419, 10885, 15239, 32095, 40741, 76195, 203705, 285187, 1425935, 1996309, 9981545]

約数ペア:

[(1, 9981545), (5, 1996309), (7, 1425935), (35, 285187), (49, 203705), (131, 76195), (245, 40741), (311, 32095), (655, 15239), (917, 10885), (1555, 6419), (2177, 4585)]