12988989

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5843}}^1$

素因数の和:5881

約数の個数: 24

約数和(自身を含む): 21272160

約数和(自身を除く): 8283171

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 5843, 17529, 52587, 75959, 111017, 227877, 333051, 683631, 999153, 1443221, 4329663, 12988989]

約数ペア:

[(1, 12988989), (3, 4329663), (9, 1443221), (13, 999153), (19, 683631), (39, 333051), (57, 227877), (117, 111017), (171, 75959), (247, 52587), (741, 17529), (2223, 5843)]