28087137

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3583}}^1$

素因数の和:3669

約数の個数: 24

約数和(自身を含む): 44355584

約数和(自身を除く): 16268447

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 3583, 7839, 10749, 32247, 46579, 139737, 240061, 419211, 720183, 2160549, 3120793, 9362379, 28087137]

約数ペア:

[(1, 28087137), (3, 9362379), (9, 3120793), (13, 2160549), (39, 720183), (67, 419211), (117, 240061), (201, 139737), (603, 46579), (871, 32247), (2613, 10749), (3583, 7839)]