1305999

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:219

約数の個数: 18

約数和(自身を含む): 1962168

約数和(自身を除く): 656169

約数列:

[1, 3, 9, 31, 93, 151, 279, 453, 961, 1359, 2883, 4681, 8649, 14043, 42129, 145111, 435333, 1305999]

約数ペア:

[(1, 1305999), (3, 435333), (9, 145111), (31, 42129), (93, 14043), (151, 8649), (279, 4681), (453, 2883), (961, 1359)]