717225

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 1211232

約数和(自身を除く): 494007

約数列:

[1, 3, 5, 15, 25, 73, 75, 131, 219, 365, 393, 655, 1095, 1825, 1965, 3275, 5475, 9563, 9825, 28689, 47815, 143445, 239075, 717225]

約数ペア:

[(1, 717225), (3, 239075), (5, 143445), (15, 47815), (25, 28689), (73, 9825), (75, 9563), (131, 5475), (219, 3275), (365, 1965), (393, 1825), (655, 1095)]