872504145

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{625451}}^1$

素因数の和:625493

約数の個数: 24

約数和(自身を含む): 1561128192

約数和(自身を除く): 688624047

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 625451, 1876353, 3127255, 5629059, 9381765, 19388981, 28145295, 58166943, 96944905, 174500829, 290834715, 872504145]

約数ペア:

[(1, 872504145), (3, 290834715), (5, 174500829), (9, 96944905), (15, 58166943), (31, 28145295), (45, 19388981), (93, 9381765), (155, 5629059), (279, 3127255), (465, 1876353), (1395, 625451)]