1287645981

素因数分解:

$3^1\times {\mathrm{47}}^2\times {\mathrm{83}}^1\times {\mathrm{2341}}^1$

素因数の和:2521

約数の個数: 24

約数和(自身を含む): 1776060384

約数和(自身を除く): 488414403

約数列:

[1, 3, 47, 83, 141, 249, 2209, 2341, 3901, 6627, 7023, 11703, 110027, 183347, 194303, 330081, 550041, 582909, 5171269, 9132241, 15513807, 27396723, 429215327, 1287645981]

約数ペア:

[(1, 1287645981), (3, 429215327), (47, 27396723), (83, 15513807), (141, 9132241), (249, 5171269), (2209, 582909), (2341, 550041), (3901, 330081), (6627, 194303), (7023, 183347), (11703, 110027)]