2999187

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:680

約数の個数: 20

約数和(自身を含む): 4561216

約数和(自身を除く): 1562029

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 607, 1647, 1821, 4941, 5463, 16389, 37027, 49167, 111081, 333243, 999729, 2999187]

約数ペア:

[(1, 2999187), (3, 999729), (9, 333243), (27, 111081), (61, 49167), (81, 37027), (183, 16389), (549, 5463), (607, 4941), (1647, 1821)]