818372217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{49843}}^1$

素因数の和:50280

約数の個数: 16

約数和(自身を含む): 1177913408

約数和(自身を除く): 359541191

約数列:

[1, 3, 13, 39, 421, 1263, 5473, 16419, 49843, 149529, 647959, 1943877, 20983903, 62951709, 272790739, 818372217]

約数ペア:

[(1, 818372217), (3, 272790739), (13, 62951709), (39, 20983903), (421, 1943877), (1263, 647959), (5473, 149529), (16419, 49843)]