66739545

素因数分解:

$3^4\times 5^1\times {\mathrm{164789}}^1$

素因数の和:164806

約数の個数: 20

約数和(自身を含む): 119637540

約数和(自身を除く): 52897995

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 164789, 494367, 823945, 1483101, 2471835, 4449303, 7415505, 13347909, 22246515, 66739545]

約数ペア:

[(1, 66739545), (3, 22246515), (5, 13347909), (9, 7415505), (15, 4449303), (27, 2471835), (45, 1483101), (81, 823945), (135, 494367), (405, 164789)]