21265875

素因数分解:

$3^3\times 5^3\times {\mathrm{6301}}^1$

素因数の和:6325

約数の個数: 32

約数和(自身を含む): 39324480

約数和(自身を除く): 18058605

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 6301, 18903, 31505, 56709, 94515, 157525, 170127, 283545, 472575, 787625, 850635, 1417725, 2362875, 4253175, 7088625, 21265875]

約数ペア:

[(1, 21265875), (3, 7088625), (5, 4253175), (9, 2362875), (15, 1417725), (25, 850635), (27, 787625), (45, 472575), (75, 283545), (125, 170127), (135, 157525), (225, 94515), (375, 56709), (675, 31505), (1125, 18903), (3375, 6301)]