210325521

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{63793}}^1$

素因数の和:63960

約数の個数: 16

約数和(自身を含む): 322542464

約数和(自身を除く): 112216943

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 63793, 191379, 446551, 1339653, 10015501, 30046503, 70108507, 210325521]

約数ペア:

[(1, 210325521), (3, 70108507), (7, 30046503), (21, 10015501), (157, 1339653), (471, 446551), (1099, 191379), (3297, 63793)]