28340199

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{3607}}^1$

素因数の和:3716

約数の個数: 20

約数和(自身を含む): 42783664

約数和(自身を除く): 14443465

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 2619, 3607, 7857, 10821, 32463, 97389, 292167, 349879, 1049637, 3148911, 9446733, 28340199]

約数ペア:

[(1, 28340199), (3, 9446733), (9, 3148911), (27, 1049637), (81, 349879), (97, 292167), (291, 97389), (873, 32463), (2619, 10821), (3607, 7857)]