31125969

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21481}}^1$

素因数の和:21517

約数の個数: 24

約数和(自身を含む): 53619072

約数和(自身を除く): 22493103

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 21481, 64443, 150367, 193329, 451101, 494063, 1353303, 1482189, 3458441, 4446567, 10375323, 31125969]

約数ペア:

[(1, 31125969), (3, 10375323), (7, 4446567), (9, 3458441), (21, 1482189), (23, 1353303), (63, 494063), (69, 451101), (161, 193329), (207, 150367), (483, 64443), (1449, 21481)]