64540.0000000

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 14235648

約数和(自身を除く): 5754357

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 661, 987, 1833, 1983, 4277, 4627, 8593, 12831, 13881, 25779, 31067, 60151, 93201, 180453, 217469, 403871, 652407, 1211613, 2827097, 8481291]

約数ペア:

[(1, 8481291), (3, 2827097), (7, 1211613), (13, 652407), (21, 403871), (39, 217469), (47, 180453), (91, 93201), (141, 60151), (273, 31067), (329, 25779), (611, 13881), (661, 12831), (987, 8593), (1833, 4627), (1983, 4277)]