28888929

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 42914664

約数和(自身を除く): 14025735

約数列:

[1, 3, 9, 61, 101, 183, 303, 521, 549, 909, 1563, 4689, 6161, 18483, 31781, 52621, 55449, 95343, 157863, 286029, 473589, 3209881, 9629643, 28888929]

約数ペア:

[(1, 28888929), (3, 9629643), (9, 3209881), (61, 473589), (101, 286029), (183, 157863), (303, 95343), (521, 55449), (549, 52621), (909, 31781), (1563, 18483), (4689, 6161)]