28431663

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15511}}^1$

素因数の和:15574

約数の個数: 16

約数和(自身を含む): 41696256

約数和(自身を除く): 13264593

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 15511, 46533, 201643, 604929, 729017, 2187051, 9477221, 28431663]

約数ペア:

[(1, 28431663), (3, 9477221), (13, 2187051), (39, 729017), (47, 604929), (141, 201643), (611, 46533), (1833, 15511)]