28784409

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{1229}}^1$

素因数の和:1480

約数の個数: 16

約数和(自身を含む): 39635520

約数和(自身を除く): 10851111

約数列:

[1, 3, 37, 111, 211, 633, 1229, 3687, 7807, 23421, 45473, 136419, 259319, 777957, 9594803, 28784409]

約数ペア:

[(1, 28784409), (3, 9594803), (37, 777957), (111, 259319), (211, 136419), (633, 45473), (1229, 23421), (3687, 7807)]