388231875

素因数分解:

$3^2\times 5^4\times {\mathrm{69019}}^1$

素因数の和:69045

約数の個数: 30

約数和(自身を含む): 700760060

約数和(自身を除く): 312528185

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 5625, 69019, 207057, 345095, 621171, 1035285, 1725475, 3105855, 5176425, 8627375, 15529275, 25882125, 43136875, 77646375, 129410625, 388231875]

約数ペア:

[(1, 388231875), (3, 129410625), (5, 77646375), (9, 43136875), (15, 25882125), (25, 15529275), (45, 8627375), (75, 5176425), (125, 3105855), (225, 1725475), (375, 1035285), (625, 621171), (1125, 345095), (1875, 207057), (5625, 69019)]