2991189

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 4249280

約数和(自身を除く): 1258091

約数列:

[1, 3, 19, 57, 97, 291, 541, 1623, 1843, 5529, 10279, 30837, 52477, 157431, 997063, 2991189]

約数ペア:

[(1, 2991189), (3, 997063), (19, 157431), (57, 52477), (97, 30837), (291, 10279), (541, 5529), (1623, 1843)]