28273125

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{887}}^1$

素因数の和:927

約数の個数: 40

約数和(自身を含む): 49934016

約数和(自身を除く): 21660891

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 625, 887, 1275, 1875, 2125, 2661, 4435, 6375, 10625, 13305, 15079, 22175, 31875, 45237, 66525, 75395, 110875, 226185, 332625, 376975, 554375, 1130925, 1663125, 1884875, 5654625, 9424375, 28273125]

約数ペア:

[(1, 28273125), (3, 9424375), (5, 5654625), (15, 1884875), (17, 1663125), (25, 1130925), (51, 554375), (75, 376975), (85, 332625), (125, 226185), (255, 110875), (375, 75395), (425, 66525), (625, 45237), (887, 31875), (1275, 22175), (1875, 15079), (2125, 13305), (2661, 10625), (4435, 6375)]