128931549

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{12497}}^1$

素因数の和:12700

約数の個数: 16

約数和(自身を含む): 181970880

約数和(自身を除く): 53039331

約数列:

[1, 3, 19, 57, 181, 543, 3439, 10317, 12497, 37491, 237443, 712329, 2261957, 6785871, 42977183, 128931549]

約数ペア:

[(1, 128931549), (3, 42977183), (19, 6785871), (57, 2261957), (181, 712329), (543, 237443), (3439, 37491), (10317, 12497)]