1217289555

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{872609}}^1$

素因数の和:872651

約数の個数: 24

約数和(自身を含む): 2178034560

約数和(自身を除く): 960745005

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 872609, 2617827, 4363045, 7853481, 13089135, 27050879, 39267405, 81152637, 135254395, 243457911, 405763185, 1217289555]

約数ペア:

[(1, 1217289555), (3, 405763185), (5, 243457911), (9, 135254395), (15, 81152637), (31, 39267405), (45, 27050879), (93, 13089135), (155, 7853481), (279, 4363045), (465, 2617827), (1395, 872609)]