18118215

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1303}}^1$

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 32547840

約数和(自身を除く): 14429625

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1303, 1545, 2781, 3909, 4635, 6515, 11727, 13905, 19545, 35181, 58635, 134209, 175905, 402627, 671045, 1207881, 2013135, 3623643, 6039405, 18118215]

約数ペア:

[(1, 18118215), (3, 6039405), (5, 3623643), (9, 2013135), (15, 1207881), (27, 671045), (45, 402627), (103, 175905), (135, 134209), (309, 58635), (515, 35181), (927, 19545), (1303, 13905), (1545, 11727), (2781, 6515), (3909, 4635)]