40481001

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21521}}^1$

素因数の和:21557

約数の個数: 24

約数和(自身を含む): 67148640

約数和(自身を除く): 26667639

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 21521, 64563, 193689, 236731, 408899, 710193, 1226697, 2130579, 3680091, 4497889, 13493667, 40481001]

約数ペア:

[(1, 40481001), (3, 13493667), (9, 4497889), (11, 3680091), (19, 2130579), (33, 1226697), (57, 710193), (99, 408899), (171, 236731), (209, 193689), (627, 64563), (1881, 21521)]