131478945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18223}}^1$

素因数の和:18281

約数の個数: 32

約数和(自身を含む): 232684032

約数和(自身を除く): 101205087

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 18223, 54669, 91115, 236899, 273345, 674251, 710697, 1184495, 2022753, 3371255, 3553485, 8765263, 10113765, 26295789, 43826315, 131478945]

約数ペア:

[(1, 131478945), (3, 43826315), (5, 26295789), (13, 10113765), (15, 8765263), (37, 3553485), (39, 3371255), (65, 2022753), (111, 1184495), (185, 710697), (195, 674251), (481, 273345), (555, 236899), (1443, 91115), (2405, 54669), (7215, 18223)]