1643085

素因数分解:

$3^4\times 5^1\times {\mathrm{4057}}^1$

素因数の和:4074

約数の個数: 20

約数和(自身を含む): 2946108

約数和(自身を除く): 1303023

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4057, 12171, 20285, 36513, 60855, 109539, 182565, 328617, 547695, 1643085]

約数ペア:

[(1, 1643085), (3, 547695), (5, 328617), (9, 182565), (15, 109539), (27, 60855), (45, 36513), (81, 20285), (135, 12171), (405, 4057)]