13490457

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 18492672

約数和(自身を除く): 5002215

約数列:

[1, 3, 47, 141, 241, 397, 723, 1191, 11327, 18659, 33981, 55977, 95677, 287031, 4496819, 13490457]

約数ペア:

[(1, 13490457), (3, 4496819), (47, 287031), (141, 95677), (241, 55977), (397, 33981), (723, 18659), (1191, 11327)]