64800009

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 95397120

約数和(自身を除く): 30597111

約数列:

[1, 3, 9, 83, 223, 249, 389, 669, 747, 1167, 2007, 3501, 18509, 32287, 55527, 86747, 96861, 166581, 260241, 290583, 780723, 7200001, 21600003, 64800009]

約数ペア:

[(1, 64800009), (3, 21600003), (9, 7200001), (83, 780723), (223, 290583), (249, 260241), (389, 166581), (669, 96861), (747, 86747), (1167, 55527), (2007, 32287), (3501, 18509)]