12311505

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2145

約数の個数: 24

約数和(自身を含む): 21506472

約数和(自身を除く): 9194967

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 1997, 2055, 5991, 6165, 9985, 17973, 29955, 89865, 273589, 820767, 1367945, 2462301, 4103835, 12311505]

約数ペア:

[(1, 12311505), (3, 4103835), (5, 2462301), (9, 1367945), (15, 820767), (45, 273589), (137, 89865), (411, 29955), (685, 17973), (1233, 9985), (1997, 6165), (2055, 5991)]