128695509

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{2371}}^1$

素因数の和:2577

約数の個数: 24

約数和(自身を含む): 192169952

約数和(自身を除く): 63474443

約数列:

[1, 3, 9, 37, 111, 163, 333, 489, 1467, 2371, 6031, 7113, 18093, 21339, 54279, 87727, 263181, 386473, 789543, 1159419, 3478257, 14299501, 42898503, 128695509]

約数ペア:

[(1, 128695509), (3, 42898503), (9, 14299501), (37, 3478257), (111, 1159419), (163, 789543), (333, 386473), (489, 263181), (1467, 87727), (2371, 54279), (6031, 21339), (7113, 18093)]