972000003

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{47837}}^1$

素因数の和:48374

約数の個数: 16

約数和(自身を含む): 1398400416

約数和(自身を除く): 426400413

約数列:

[1, 3, 13, 39, 521, 1563, 6773, 20319, 47837, 143511, 621881, 1865643, 24923077, 74769231, 324000001, 972000003]

約数ペア:

[(1, 972000003), (3, 324000001), (13, 74769231), (39, 24923077), (521, 1865643), (1563, 621881), (6773, 143511), (20319, 47837)]