64578423

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 110315520

約数和(自身を除く): 45737097

約数列:

[1, 3, 7, 13, 21, 39, 47, 49, 91, 141, 147, 273, 329, 611, 637, 719, 987, 1833, 1911, 2157, 2303, 4277, 5033, 6909, 9347, 12831, 15099, 28041, 29939, 33793, 35231, 65429, 89817, 101379, 105693, 196287, 236551, 439309, 458003, 709653, 1317927, 1374009, 1655857, 3075163, 4967571, 9225489, 21526141, 64578423]

約数ペア:

[(1, 64578423), (3, 21526141), (7, 9225489), (13, 4967571), (21, 3075163), (39, 1655857), (47, 1374009), (49, 1317927), (91, 709653), (141, 458003), (147, 439309), (273, 236551), (329, 196287), (611, 105693), (637, 101379), (719, 89817), (987, 65429), (1833, 35231), (1911, 33793), (2157, 29939), (2303, 28041), (4277, 15099), (5033, 12831), (6909, 9347)]