4081875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{311}}^1$

素因数の和:341

約数の個数: 40

約数和(自身を含む): 7797504

約数和(自身を除く): 3715629

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 311, 375, 525, 625, 875, 933, 1555, 1875, 2177, 2625, 4375, 4665, 6531, 7775, 10885, 13125, 23325, 32655, 38875, 54425, 116625, 163275, 194375, 272125, 583125, 816375, 1360625, 4081875]

約数ペア:

[(1, 4081875), (3, 1360625), (5, 816375), (7, 583125), (15, 272125), (21, 194375), (25, 163275), (35, 116625), (75, 54425), (105, 38875), (125, 32655), (175, 23325), (311, 13125), (375, 10885), (525, 7775), (625, 6531), (875, 4665), (933, 4375), (1555, 2625), (1875, 2177)]