28369611

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{39901}}^1$

素因数の和:39986

約数の個数: 12

約数和(自身を含む): 41498080

約数和(自身を除く): 13128469

約数列:

[1, 3, 9, 79, 237, 711, 39901, 119703, 359109, 3152179, 9456537, 28369611]

約数ペア:

[(1, 28369611), (3, 9456537), (9, 3152179), (79, 359109), (237, 119703), (711, 39901)]