2055225

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 3457120

約数和(自身を除く): 1401895

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 409, 1005, 1227, 1675, 2045, 5025, 6135, 10225, 27403, 30675, 82209, 137015, 411045, 685075, 2055225]

約数ペア:

[(1, 2055225), (3, 685075), (5, 411045), (15, 137015), (25, 82209), (67, 30675), (75, 27403), (201, 10225), (335, 6135), (409, 5025), (1005, 2045), (1227, 1675)]