8219421

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 14055680

約数和(自身を除く): 5836259

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 277, 471, 831, 1099, 1413, 1939, 2493, 3297, 4239, 5817, 7479, 9891, 17451, 29673, 43489, 52353, 130467, 304423, 391401, 913269, 1174203, 2739807, 8219421]

約数ペア:

[(1, 8219421), (3, 2739807), (7, 1174203), (9, 913269), (21, 391401), (27, 304423), (63, 130467), (157, 52353), (189, 43489), (277, 29673), (471, 17451), (831, 9891), (1099, 7479), (1413, 5817), (1939, 4239), (2493, 3297)]