9780781661

素因数分解:

$7^2\times {\mathrm{6113}}^1\times {\mathrm{32653}}^1$

素因数の和:38780

約数の個数: 12

約数和(自身を含む): 11379853692

約数和(自身を除く): 1599072031

約数列:

[1, 7, 49, 6113, 32653, 42791, 228571, 299537, 1599997, 199607789, 1397254523, 9780781661]

約数ペア:

[(1, 9780781661), (7, 1397254523), (49, 199607789), (6113, 1599997), (32653, 299537), (42791, 228571)]