64274121

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 106444800

約数和(自身を除く): 42170679

約数列:

[1, 3, 9, 23, 27, 29, 43, 69, 83, 87, 129, 207, 249, 261, 387, 621, 667, 747, 783, 989, 1161, 1247, 1909, 2001, 2241, 2407, 2967, 3569, 3741, 5727, 6003, 7221, 8901, 10707, 11223, 17181, 18009, 21663, 26703, 28681, 32121, 33669, 51543, 55361, 64989, 82087, 86043, 96363, 103501, 166083, 246261, 258129, 310503, 498249, 738783, 774387, 931509, 1494747, 2216349, 2380523, 2794527, 7141569, 21424707, 64274121]

約数ペア:

[(1, 64274121), (3, 21424707), (9, 7141569), (23, 2794527), (27, 2380523), (29, 2216349), (43, 1494747), (69, 931509), (83, 774387), (87, 738783), (129, 498249), (207, 310503), (249, 258129), (261, 246261), (387, 166083), (621, 103501), (667, 96363), (747, 86043), (783, 82087), (989, 64989), (1161, 55361), (1247, 51543), (1909, 33669), (2001, 32121), (2241, 28681), (2407, 26703), (2967, 21663), (3569, 18009), (3741, 17181), (5727, 11223), (6003, 10707), (7221, 8901)]