1319895

素因数分解:

$3^4\times 5^1\times {\mathrm{3259}}^1$

素因数の和:3276

約数の個数: 20

約数和(自身を含む): 2366760

約数和(自身を除く): 1046865

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3259, 9777, 16295, 29331, 48885, 87993, 146655, 263979, 439965, 1319895]

約数ペア:

[(1, 1319895), (3, 439965), (5, 263979), (9, 146655), (15, 87993), (27, 48885), (45, 29331), (81, 16295), (135, 9777), (405, 3259)]