133078545

素因数分解:

$3^4\times 5^1\times {\mathrm{328589}}^1$

素因数の和:328606

約数の個数: 20

約数和(自身を含む): 238556340

約数和(自身を除く): 105477795

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 328589, 985767, 1642945, 2957301, 4928835, 8871903, 14786505, 26615709, 44359515, 133078545]

約数ペア:

[(1, 133078545), (3, 44359515), (5, 26615709), (9, 14786505), (15, 8871903), (27, 4928835), (45, 2957301), (81, 1642945), (135, 985767), (405, 328589)]