12889724481

素因数分解:

$3^4\times {\mathrm{28771}}^1\times {\mathrm{5531}}^1$

素因数の和:34314

約数の個数: 20

約数和(自身を含む): 19259171184

約数和(自身を除く): 6369446703

約数列:

[1, 3, 9, 27, 81, 5531, 16593, 28771, 49779, 86313, 149337, 258939, 448011, 776817, 2330451, 159132401, 477397203, 1432191609, 4296574827, 12889724481]

約数ペア:

[(1, 12889724481), (3, 4296574827), (9, 1432191609), (27, 477397203), (81, 159132401), (5531, 2330451), (16593, 776817), (28771, 448011), (49779, 258939), (86313, 149337)]