28243125

素因数分解:

$3^2\times 5^4\times {\mathrm{5021}}^1$

素因数の和:5047

約数の個数: 30

約数和(自身を含む): 50988366

約数和(自身を除く): 22745241

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 5021, 5625, 15063, 25105, 45189, 75315, 125525, 225945, 376575, 627625, 1129725, 1882875, 3138125, 5648625, 9414375, 28243125]

約数ペア:

[(1, 28243125), (3, 9414375), (5, 5648625), (9, 3138125), (15, 1882875), (25, 1129725), (45, 627625), (75, 376575), (125, 225945), (225, 125525), (375, 75315), (625, 45189), (1125, 25105), (1875, 15063), (5021, 5625)]