391444209

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{24421}}^1$

素因数の和:24577

約数の個数: 24

約数和(自身を含む): 613382952

約数和(自身を除く): 221938743

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 1233, 1781, 5343, 16029, 24421, 73263, 219789, 317473, 952419, 2857257, 3345677, 10037031, 30111093, 43493801, 130481403, 391444209]

約数ペア:

[(1, 391444209), (3, 130481403), (9, 43493801), (13, 30111093), (39, 10037031), (117, 3345677), (137, 2857257), (411, 952419), (1233, 317473), (1781, 219789), (5343, 73263), (16029, 24421)]