64266489

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2389}}^1$

素因数の和:2470

約数の個数: 36

約数和(自身を含む): 109801380

約数和(自身を除く): 45534891

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 427, 441, 549, 1281, 2389, 2989, 3843, 7167, 8967, 16723, 21501, 26901, 50169, 117061, 145729, 150507, 351183, 437187, 1020103, 1053549, 1311561, 3060309, 7140721, 9180927, 21422163, 64266489]

約数ペア:

[(1, 64266489), (3, 21422163), (7, 9180927), (9, 7140721), (21, 3060309), (49, 1311561), (61, 1053549), (63, 1020103), (147, 437187), (183, 351183), (427, 150507), (441, 145729), (549, 117061), (1281, 50169), (2389, 26901), (2989, 21501), (3843, 16723), (7167, 8967)]