64051281

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2381}}^1$

素因数の和:2462

約数の個数: 36

約数和(自身を含む): 109433844

約数和(自身を除く): 45382563

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 427, 441, 549, 1281, 2381, 2989, 3843, 7143, 8967, 16667, 21429, 26901, 50001, 116669, 145241, 150003, 350007, 435723, 1016687, 1050021, 1307169, 3050061, 7116809, 9150183, 21350427, 64051281]

約数ペア:

[(1, 64051281), (3, 21350427), (7, 9150183), (9, 7116809), (21, 3050061), (49, 1307169), (61, 1050021), (63, 1016687), (147, 435723), (183, 350007), (427, 150003), (441, 145241), (549, 116669), (1281, 50001), (2381, 26901), (2989, 21429), (3843, 16667), (7143, 8967)]