801495

素因数分解:

$3^4\times 5^1\times {\mathrm{1979}}^1$

素因数の和:1996

約数の個数: 20

約数和(自身を含む): 1437480

約数和(自身を除く): 635985

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1979, 5937, 9895, 17811, 29685, 53433, 89055, 160299, 267165, 801495]

約数ペア:

[(1, 801495), (3, 267165), (5, 160299), (9, 89055), (15, 53433), (27, 29685), (45, 17811), (81, 9895), (135, 5937), (405, 1979)]