831465

素因数分解:

$3^4\times 5^1\times {\mathrm{2053}}^1$

素因数の和:2070

約数の個数: 20

約数和(自身を含む): 1491204

約数和(自身を除く): 659739

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2053, 6159, 10265, 18477, 30795, 55431, 92385, 166293, 277155, 831465]

約数ペア:

[(1, 831465), (3, 277155), (5, 166293), (9, 92385), (15, 55431), (27, 30795), (45, 18477), (81, 10265), (135, 6159), (405, 2053)]