15269989

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 18040320

約数和(自身を除く): 2770331

約数列:

[1, 7, 53, 79, 371, 521, 553, 3647, 4187, 27613, 29309, 41159, 193291, 288113, 2181427, 15269989]

約数ペア:

[(1, 15269989), (7, 2181427), (53, 288113), (79, 193291), (371, 41159), (521, 29309), (553, 27613), (3647, 4187)]