9815913

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 15069600

約数和(自身を除く): 5253687

約数列:

[1, 3, 9, 19, 57, 137, 171, 411, 419, 1233, 1257, 2603, 3771, 7809, 7961, 23427, 23883, 57403, 71649, 172209, 516627, 1090657, 3271971, 9815913]

約数ペア:

[(1, 9815913), (3, 3271971), (9, 1090657), (19, 516627), (57, 172209), (137, 71649), (171, 57403), (411, 23883), (419, 23427), (1233, 7961), (1257, 7809), (2603, 3771)]