28186605

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13327}}^1$

素因数の和:13385

約数の個数: 24

約数和(自身を含む): 49900032

約数和(自身を除く): 21713427

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 13327, 39981, 66635, 119943, 199905, 599715, 626369, 1879107, 3131845, 5637321, 9395535, 28186605]

約数ペア:

[(1, 28186605), (3, 9395535), (5, 5637321), (9, 3131845), (15, 1879107), (45, 626369), (47, 599715), (141, 199905), (235, 119943), (423, 66635), (705, 39981), (2115, 13327)]