210869811

素因数分解:

$3^6\times {\mathrm{139}}^1\times {\mathrm{2081}}^1$

素因数の和:2238

約数の個数: 28

約数和(自身を含む): 318587640

約数和(自身を除く): 107717829

約数列:

[1, 3, 9, 27, 81, 139, 243, 417, 729, 1251, 2081, 3753, 6243, 11259, 18729, 33777, 56187, 101331, 168561, 289259, 505683, 867777, 1517049, 2603331, 7809993, 23429979, 70289937, 210869811]

約数ペア:

[(1, 210869811), (3, 70289937), (9, 23429979), (27, 7809993), (81, 2603331), (139, 1517049), (243, 867777), (417, 505683), (729, 289259), (1251, 168561), (2081, 101331), (3753, 56187), (6243, 33777), (11259, 18729)]