28303875

素因数分解:

$3^2\times 5^3\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 51673440

約数和(自身を除く): 23369565

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 139, 181, 225, 375, 417, 543, 695, 905, 1125, 1251, 1629, 2085, 2715, 3475, 4525, 6255, 8145, 10425, 13575, 17375, 22625, 25159, 31275, 40725, 52125, 67875, 75477, 125795, 156375, 203625, 226431, 377385, 628975, 1132155, 1886925, 3144875, 5660775, 9434625, 28303875]

約数ペア:

[(1, 28303875), (3, 9434625), (5, 5660775), (9, 3144875), (15, 1886925), (25, 1132155), (45, 628975), (75, 377385), (125, 226431), (139, 203625), (181, 156375), (225, 125795), (375, 75477), (417, 67875), (543, 52125), (695, 40725), (905, 31275), (1125, 25159), (1251, 22625), (1629, 17375), (2085, 13575), (2715, 10425), (3475, 8145), (4525, 6255)]