208032489

素因数分解:

$3^3\times 7^2\times {\mathrm{157243}}^1$

素因数の和:157266

約数の個数: 24

約数和(自身を含む): 358516320

約数和(自身を除く): 150483831

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 157243, 471729, 1100701, 1415187, 3302103, 4245561, 7704907, 9906309, 23114721, 29718927, 69344163, 208032489]

約数ペア:

[(1, 208032489), (3, 69344163), (7, 29718927), (9, 23114721), (21, 9906309), (27, 7704907), (49, 4245561), (63, 3302103), (147, 1415187), (189, 1100701), (441, 471729), (1323, 157243)]