1242780225

素因数分解:

$3^1\times 5^2\times {\mathrm{16570403}}^1$

素因数の和:16570416

約数の個数: 12

約数和(自身を含む): 2054730096

約数和(自身を除く): 811949871

約数列:

[1, 3, 5, 15, 25, 75, 16570403, 49711209, 82852015, 248556045, 414260075, 1242780225]

約数ペア:

[(1, 1242780225), (3, 414260075), (5, 248556045), (15, 82852015), (25, 49711209), (75, 16570403)]