72504009

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1721}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 108885504

約数和(自身を除く): 36381495

約数列:

[1, 3, 9, 31, 93, 151, 279, 453, 1359, 1721, 4681, 5163, 14043, 15489, 42129, 53351, 160053, 259871, 480159, 779613, 2338839, 8056001, 24168003, 72504009]

約数ペア:

[(1, 72504009), (3, 24168003), (9, 8056001), (31, 2338839), (93, 779613), (151, 480159), (279, 259871), (453, 160053), (1359, 53351), (1721, 42129), (4681, 15489), (5163, 14043)]