25171875

素因数分解:

$3^2\times 5^6\times {\mathrm{179}}^1$

素因数の和:215

約数の個数: 42

約数和(自身を含む): 45702540

約数和(自身を除く): 20530665

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 179, 225, 375, 537, 625, 895, 1125, 1611, 1875, 2685, 3125, 4475, 5625, 8055, 9375, 13425, 15625, 22375, 28125, 40275, 46875, 67125, 111875, 140625, 201375, 335625, 559375, 1006875, 1678125, 2796875, 5034375, 8390625, 25171875]

約数ペア:

[(1, 25171875), (3, 8390625), (5, 5034375), (9, 2796875), (15, 1678125), (25, 1006875), (45, 559375), (75, 335625), (125, 201375), (179, 140625), (225, 111875), (375, 67125), (537, 46875), (625, 40275), (895, 28125), (1125, 22375), (1611, 15625), (1875, 13425), (2685, 9375), (3125, 8055), (4475, 5625)]