18985125

素因数分解:

$3^1\times 5^3\times {\mathrm{50627}}^1$

素因数の和:50645

約数の個数: 16

約数和(自身を含む): 31591872

約数和(自身を除く): 12606747

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 50627, 151881, 253135, 759405, 1265675, 3797025, 6328375, 18985125]

約数ペア:

[(1, 18985125), (3, 6328375), (5, 3797025), (15, 1265675), (25, 759405), (75, 253135), (125, 151881), (375, 50627)]