90281925

素因数分解:

$3^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1021}}^1$

素因数の和:1171

約数の個数: 48

約数和(自身を含む): 167280960

約数和(自身を除く): 76999035

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 131, 135, 225, 393, 655, 675, 1021, 1179, 1965, 3063, 3275, 3537, 5105, 5895, 9189, 9825, 15315, 17685, 25525, 27567, 29475, 45945, 76575, 88425, 133751, 137835, 229725, 401253, 668755, 689175, 1203759, 2006265, 3343775, 3611277, 6018795, 10031325, 18056385, 30093975, 90281925]

約数ペア:

[(1, 90281925), (3, 30093975), (5, 18056385), (9, 10031325), (15, 6018795), (25, 3611277), (27, 3343775), (45, 2006265), (75, 1203759), (131, 689175), (135, 668755), (225, 401253), (393, 229725), (655, 137835), (675, 133751), (1021, 88425), (1179, 76575), (1965, 45945), (3063, 29475), (3275, 27567), (3537, 25525), (5105, 17685), (5895, 15315), (9189, 9825)]