26893215

素因数分解:

$3^4\times 5^1\times {\mathrm{66403}}^1$

素因数の和:66420

約数の個数: 20

約数和(自身を含む): 48209304

約数和(自身を除く): 21316089

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 66403, 199209, 332015, 597627, 996045, 1792881, 2988135, 5378643, 8964405, 26893215]

約数ペア:

[(1, 26893215), (3, 8964405), (5, 5378643), (9, 2988135), (15, 1792881), (27, 996045), (45, 597627), (81, 332015), (135, 199209), (405, 66403)]