15509921

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{5189}}^1$

素因数の和:5264

約数の個数: 12

約数和(自身を含む): 18341460

約数和(自身を除く): 2831539

約数列:

[1, 7, 49, 61, 427, 2989, 5189, 36323, 254261, 316529, 2215703, 15509921]

約数ペア:

[(1, 15509921), (7, 2215703), (49, 316529), (61, 254261), (427, 36323), (2989, 5189)]