15221799

素因数分解:

$3^2\times {\mathrm{79}}^2\times {\mathrm{271}}^1$

素因数の和:435

約数の個数: 18

約数和(自身を含む): 22351056

約数和(自身を除く): 7129257

約数列:

[1, 3, 9, 79, 237, 271, 711, 813, 2439, 6241, 18723, 21409, 56169, 64227, 192681, 1691311, 5073933, 15221799]

約数ペア:

[(1, 15221799), (3, 5073933), (9, 1691311), (79, 192681), (237, 64227), (271, 56169), (711, 21409), (813, 18723), (2439, 6241)]