1278432831

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1709}}^1\times {\mathrm{19181}}^1$

素因数の和:20906

約数の個数: 16

約数和(自身を含む): 1836868320

約数和(自身を除く): 558435489

約数列:

[1, 3, 13, 39, 1709, 5127, 19181, 22217, 57543, 66651, 249353, 748059, 32780329, 98340987, 426144277, 1278432831]

約数ペア:

[(1, 1278432831), (3, 426144277), (13, 98340987), (39, 32780329), (1709, 748059), (5127, 249353), (19181, 66651), (22217, 57543)]