1178145

素因数分解:

$3^4\times 5^1\times {\mathrm{2909}}^1$

素因数の和:2926

約数の個数: 20

約数和(自身を含む): 2112660

約数和(自身を除く): 934515

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2909, 8727, 14545, 26181, 43635, 78543, 130905, 235629, 392715, 1178145]

約数ペア:

[(1, 1178145), (3, 392715), (5, 235629), (9, 130905), (15, 78543), (27, 43635), (45, 26181), (81, 14545), (135, 8727), (405, 2909)]