203428125

素因数分解:

$3^3\times 5^5\times {\mathrm{2411}}^1$

素因数の和:2445

約数の個数: 48

約数和(自身を含む): 376850880

約数和(自身を除く): 173422755

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1125, 1875, 2411, 3125, 3375, 5625, 7233, 9375, 12055, 16875, 21699, 28125, 36165, 60275, 65097, 84375, 108495, 180825, 301375, 325485, 542475, 904125, 1506875, 1627425, 2712375, 4520625, 7534375, 8137125, 13561875, 22603125, 40685625, 67809375, 203428125]

約数ペア:

[(1, 203428125), (3, 67809375), (5, 40685625), (9, 22603125), (15, 13561875), (25, 8137125), (27, 7534375), (45, 4520625), (75, 2712375), (125, 1627425), (135, 1506875), (225, 904125), (375, 542475), (625, 325485), (675, 301375), (1125, 180825), (1875, 108495), (2411, 84375), (3125, 65097), (3375, 60275), (5625, 36165), (7233, 28125), (9375, 21699), (12055, 16875)]