201291885

素因数分解:

$3^4\times 5^1\times {\mathrm{497017}}^1$

素因数の和:497034

約数の個数: 20

約数和(自身を含む): 360835068

約数和(自身を除く): 159543183

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 497017, 1491051, 2485085, 4473153, 7455255, 13419459, 22365765, 40258377, 67097295, 201291885]

約数ペア:

[(1, 201291885), (3, 67097295), (5, 40258377), (9, 22365765), (15, 13419459), (27, 7455255), (45, 4473153), (81, 2485085), (135, 1491051), (405, 497017)]