12557961

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{593}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 19675656

約数和(自身を除く): 7117695

約数列:

[1, 3, 9, 13, 39, 117, 181, 543, 593, 1629, 1779, 2353, 5337, 7059, 7709, 21177, 23127, 69381, 107333, 321999, 965997, 1395329, 4185987, 12557961]

約数ペア:

[(1, 12557961), (3, 4185987), (9, 1395329), (13, 965997), (39, 321999), (117, 107333), (181, 69381), (543, 23127), (593, 21177), (1629, 7709), (1779, 7059), (2353, 5337)]