121125875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 164324160

約数和(自身を除く): 43198285

約数列:

[1, 5, 13, 25, 65, 125, 131, 325, 569, 655, 1625, 1703, 2845, 3275, 7397, 8515, 14225, 16375, 36985, 42575, 71125, 74539, 184925, 212875, 372695, 924625, 969007, 1863475, 4845035, 9317375, 24225175, 121125875]

約数ペア:

[(1, 121125875), (5, 24225175), (13, 9317375), (25, 4845035), (65, 1863475), (125, 969007), (131, 924625), (325, 372695), (569, 212875), (655, 184925), (1625, 74539), (1703, 71125), (2845, 42575), (3275, 36985), (7397, 16375), (8515, 14225)]