85284825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 150198720

約数和(自身を除く): 64913895

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 97, 285, 291, 475, 485, 617, 1425, 1455, 1843, 1851, 2425, 3085, 5529, 7275, 9215, 9255, 11723, 15425, 27645, 35169, 46075, 46275, 58615, 59849, 138225, 175845, 179547, 293075, 299245, 879225, 897735, 1137131, 1496225, 3411393, 4488675, 5685655, 17056965, 28428275, 85284825]

約数ペア:

[(1, 85284825), (3, 28428275), (5, 17056965), (15, 5685655), (19, 4488675), (25, 3411393), (57, 1496225), (75, 1137131), (95, 897735), (97, 879225), (285, 299245), (291, 293075), (475, 179547), (485, 175845), (617, 138225), (1425, 59849), (1455, 58615), (1843, 46275), (1851, 46075), (2425, 35169), (3085, 27645), (5529, 15425), (7275, 11723), (9215, 9255)]