64818621

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1427}}^1$

素因数の和:1550

約数の個数: 36

約数和(自身を含む): 110047392

約数和(自身を除く): 45228771

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 441, 721, 927, 1427, 2163, 4281, 5047, 6489, 9989, 12843, 15141, 29967, 45423, 69923, 89901, 146981, 209769, 440943, 629307, 1028867, 1322829, 3086601, 7202069, 9259803, 21606207, 64818621]

約数ペア:

[(1, 64818621), (3, 21606207), (7, 9259803), (9, 7202069), (21, 3086601), (49, 1322829), (63, 1028867), (103, 629307), (147, 440943), (309, 209769), (441, 146981), (721, 89901), (927, 69923), (1427, 45423), (2163, 29967), (4281, 15141), (5047, 12843), (6489, 9989)]