201964995

素因数分解:

$3^4\times 5^1\times {\mathrm{498679}}^1$

素因数の和:498696

約数の個数: 20

約数和(自身を含む): 362041680

約数和(自身を除く): 160076685

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 498679, 1496037, 2493395, 4488111, 7480185, 13464333, 22440555, 40392999, 67321665, 201964995]

約数ペア:

[(1, 201964995), (3, 67321665), (5, 40392999), (9, 22440555), (15, 13464333), (27, 7480185), (45, 4488111), (81, 2493395), (135, 1496037), (405, 498679)]