8245395

素因数分解:

$3^4\times 5^1\times {\mathrm{20359}}^1$

素因数の和:20376

約数の個数: 20

約数和(自身を含む): 14781360

約数和(自身を除く): 6535965

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 20359, 61077, 101795, 183231, 305385, 549693, 916155, 1649079, 2748465, 8245395]

約数ペア:

[(1, 8245395), (3, 2748465), (5, 1649079), (9, 916155), (15, 549693), (27, 305385), (45, 183231), (81, 101795), (135, 61077), (405, 20359)]