2503125

素因数分解:

$3^2\times 5^5\times {\mathrm{89}}^1$

素因数の和:120

約数の個数: 36

約数和(自身を含む): 4570020

約数和(自身を除く): 2066895

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 125, 225, 267, 375, 445, 625, 801, 1125, 1335, 1875, 2225, 3125, 4005, 5625, 6675, 9375, 11125, 20025, 28125, 33375, 55625, 100125, 166875, 278125, 500625, 834375, 2503125]

約数ペア:

[(1, 2503125), (3, 834375), (5, 500625), (9, 278125), (15, 166875), (25, 100125), (45, 55625), (75, 33375), (89, 28125), (125, 20025), (225, 11125), (267, 9375), (375, 6675), (445, 5625), (625, 4005), (801, 3125), (1125, 2225), (1335, 1875)]