201442545

素因数分解:

$3^4\times 5^1\times {\mathrm{497389}}^1$

素因数の和:497406

約数の個数: 20

約数和(自身を含む): 361105140

約数和(自身を除く): 159662595

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 497389, 1492167, 2486945, 4476501, 7460835, 13429503, 22382505, 40288509, 67147515, 201442545]

約数ペア:

[(1, 201442545), (3, 67147515), (5, 40288509), (9, 22382505), (15, 13429503), (27, 7460835), (45, 4476501), (81, 2486945), (135, 1492167), (405, 497389)]