27124321

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 31803520

約数和(自身を除く): 4679199

約数列:

[1, 7, 61, 139, 427, 457, 973, 3199, 8479, 27877, 59353, 63523, 195139, 444661, 3874903, 27124321]

約数ペア:

[(1, 27124321), (7, 3874903), (61, 444661), (139, 195139), (427, 63523), (457, 59353), (973, 27877), (3199, 8479)]