201397995

素因数分解:

$3^4\times 5^1\times {\mathrm{497279}}^1$

素因数の和:497296

約数の個数: 20

約数和(自身を含む): 361025280

約数和(自身を除く): 159627285

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 497279, 1491837, 2486395, 4475511, 7459185, 13426533, 22377555, 40279599, 67132665, 201397995]

約数ペア:

[(1, 201397995), (3, 67132665), (5, 40279599), (9, 22377555), (15, 13426533), (27, 7459185), (45, 4475511), (81, 2486395), (135, 1491837), (405, 497279)]