28670505

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61657}}^1$

素因数の和:61696

約数の個数: 16

約数和(自身を含む): 47353344

約数和(自身を除く): 18682839

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 61657, 184971, 308285, 924855, 1911367, 5734101, 9556835, 28670505]

約数ペア:

[(1, 28670505), (3, 9556835), (5, 5734101), (15, 1911367), (31, 924855), (93, 308285), (155, 184971), (465, 61657)]