15420279

素因数分解:

$3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{4397}}^1$

素因数の和:4574

約数の個数: 16

約数和(自身を含む): 23643648

約数和(自身を除く): 8223369

約数列:

[1, 3, 7, 21, 167, 501, 1169, 3507, 4397, 13191, 30779, 92337, 734299, 2202897, 5140093, 15420279]

約数ペア:

[(1, 15420279), (3, 5140093), (7, 2202897), (21, 734299), (167, 92337), (501, 30779), (1169, 13191), (3507, 4397)]