28528125

素因数分解:

$3^1\times 5^5\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 50621760

約数和(自身を除く): 22093635

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 179, 255, 375, 425, 537, 625, 895, 1275, 1875, 2125, 2685, 3043, 3125, 4475, 6375, 9129, 9375, 10625, 13425, 15215, 22375, 31875, 45645, 53125, 67125, 76075, 111875, 159375, 228225, 335625, 380375, 559375, 1141125, 1678125, 1901875, 5705625, 9509375, 28528125]

約数ペア:

[(1, 28528125), (3, 9509375), (5, 5705625), (15, 1901875), (17, 1678125), (25, 1141125), (51, 559375), (75, 380375), (85, 335625), (125, 228225), (179, 159375), (255, 111875), (375, 76075), (425, 67125), (537, 53125), (625, 45645), (895, 31875), (1275, 22375), (1875, 15215), (2125, 13425), (2685, 10625), (3043, 9375), (3125, 9129), (4475, 6375)]