2390625

素因数分解:

$3^2\times 5^6\times {\mathrm{17}}^1$

素因数の和:53

約数の個数: 42

約数和(自身を含む): 4570254

約数和(自身を除く): 2179629

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 625, 765, 1125, 1275, 1875, 2125, 3125, 3825, 5625, 6375, 9375, 10625, 15625, 19125, 28125, 31875, 46875, 53125, 95625, 140625, 159375, 265625, 478125, 796875, 2390625]

約数ペア:

[(1, 2390625), (3, 796875), (5, 478125), (9, 265625), (15, 159375), (17, 140625), (25, 95625), (45, 53125), (51, 46875), (75, 31875), (85, 28125), (125, 19125), (153, 15625), (225, 10625), (255, 9375), (375, 6375), (425, 5625), (625, 3825), (765, 3125), (1125, 2125), (1275, 1875)]