15661401

素因数分解:

$3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{2213}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 23946624

約数和(自身を除く): 8285223

約数列:

[1, 3, 7, 21, 337, 1011, 2213, 2359, 6639, 7077, 15491, 46473, 745781, 2237343, 5220467, 15661401]

約数ペア:

[(1, 15661401), (3, 5220467), (7, 2237343), (21, 745781), (337, 46473), (1011, 15491), (2213, 7077), (2359, 6639)]