9781115

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 12022560

約数和(自身を除く): 2241445

約数列:

[1, 5, 109, 131, 137, 545, 655, 685, 14279, 14933, 17947, 71395, 74665, 89735, 1956223, 9781115]

約数ペア:

[(1, 9781115), (5, 1956223), (109, 89735), (131, 74665), (137, 71395), (545, 17947), (655, 14933), (685, 14279)]