201364785

素因数分解:

$3^4\times 5^1\times {\mathrm{497197}}^1$

素因数の和:497214

約数の個数: 20

約数和(自身を含む): 360965748

約数和(自身を除く): 159600963

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 497197, 1491591, 2485985, 4474773, 7457955, 13424319, 22373865, 40272957, 67121595, 201364785]

約数ペア:

[(1, 201364785), (3, 67121595), (5, 40272957), (9, 22373865), (15, 13424319), (27, 7457955), (45, 4474773), (81, 2485985), (135, 1491591), (405, 497197)]