858996957

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{66947}}^1$

素因数の和:67017

約数の個数: 32

約数和(自身を含む): 1439649792

約数和(自身を除く): 580652835

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12831, 66947, 200841, 468629, 870311, 1405887, 2610933, 3146509, 6092177, 9439527, 18276531, 22025563, 40904617, 66076689, 122713851, 286332319, 858996957]

約数ペア:

[(1, 858996957), (3, 286332319), (7, 122713851), (13, 66076689), (21, 40904617), (39, 22025563), (47, 18276531), (91, 9439527), (141, 6092177), (273, 3146509), (329, 2610933), (611, 1405887), (987, 870311), (1833, 468629), (4277, 200841), (12831, 66947)]