31991769

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 47305440

約数和(自身を除く): 15313671

約数列:

[1, 3, 9, 83, 113, 249, 339, 379, 747, 1017, 1137, 3411, 9379, 28137, 31457, 42827, 84411, 94371, 128481, 283113, 385443, 3554641, 10663923, 31991769]

約数ペア:

[(1, 31991769), (3, 10663923), (9, 3554641), (83, 385443), (113, 283113), (249, 128481), (339, 94371), (379, 84411), (747, 42827), (1017, 31457), (1137, 28137), (3411, 9379)]