164018115

素因数分解:

$3^4\times 5^1\times {\mathrm{404983}}^1$

素因数の和:405000

約数の個数: 20

約数和(自身を含む): 294018384

約数和(自身を除く): 130000269

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 404983, 1214949, 2024915, 3644847, 6074745, 10934541, 18224235, 32803623, 54672705, 164018115]

約数ペア:

[(1, 164018115), (3, 54672705), (5, 32803623), (9, 18224235), (15, 10934541), (27, 6074745), (45, 3644847), (81, 2024915), (135, 1214949), (405, 404983)]