28697877

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4021}}^1$

素因数の和:4101

約数の個数: 24

約数和(自身を含む): 45384248

約数和(自身を除く): 16686371

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 4021, 7137, 12063, 36189, 52273, 156819, 245281, 470457, 735843, 2207529, 3188653, 9565959, 28697877]

約数ペア:

[(1, 28697877), (3, 9565959), (9, 3188653), (13, 2207529), (39, 735843), (61, 470457), (117, 245281), (183, 156819), (549, 52273), (793, 36189), (2379, 12063), (4021, 7137)]