28745913

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{13553}}^1$

素因数の和:13664

約数の個数: 16

約数和(自身を含む): 44240256

約数和(自身を除く): 15494343

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 13553, 40659, 94871, 284613, 1368853, 4106559, 9581971, 28745913]

約数ペア:

[(1, 28745913), (3, 9581971), (7, 4106559), (21, 1368853), (101, 284613), (303, 94871), (707, 40659), (2121, 13553)]