121565889

素因数分解:

$3^2\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{479}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 178064640

約数和(自身を除く): 56498751

約数列:

[1, 3, 9, 163, 173, 479, 489, 519, 1437, 1467, 1557, 4311, 28199, 78077, 82867, 84597, 234231, 248601, 253791, 702693, 745803, 13507321, 40521963, 121565889]

約数ペア:

[(1, 121565889), (3, 40521963), (9, 13507321), (163, 745803), (173, 702693), (479, 253791), (489, 248601), (519, 234231), (1437, 84597), (1467, 82867), (1557, 78077), (4311, 28199)]