81504375

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{2557}}^1$

素因数の和:2597

約数の個数: 40

約数和(自身を含む): 143841456

約数和(自身を除く): 62337081

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 625, 1275, 1875, 2125, 2557, 6375, 7671, 10625, 12785, 31875, 38355, 43469, 63925, 130407, 191775, 217345, 319625, 652035, 958875, 1086725, 1598125, 3260175, 4794375, 5433625, 16300875, 27168125, 81504375]

約数ペア:

[(1, 81504375), (3, 27168125), (5, 16300875), (15, 5433625), (17, 4794375), (25, 3260175), (51, 1598125), (75, 1086725), (85, 958875), (125, 652035), (255, 319625), (375, 217345), (425, 191775), (625, 130407), (1275, 63925), (1875, 43469), (2125, 38355), (2557, 31875), (6375, 12785), (7671, 10625)]