28249893

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7351}}^1$

素因数の和:7425

約数の個数: 24

約数和(自身を含む): 47405696

約数和(自身を除く): 19155803

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 7351, 22053, 51457, 66159, 154371, 448411, 463113, 1345233, 3138877, 4035699, 9416631, 28249893]

約数ペア:

[(1, 28249893), (3, 9416631), (7, 4035699), (9, 3138877), (21, 1345233), (61, 463113), (63, 448411), (183, 154371), (427, 66159), (549, 51457), (1281, 22053), (3843, 7351)]