870852021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{42859}}^1$

素因数の和:43396

約数の個数: 16

約数和(自身を含む): 1252883520

約数和(自身を除く): 382031499

約数列:

[1, 3, 13, 39, 521, 1563, 6773, 20319, 42859, 128577, 557167, 1671501, 22329539, 66988617, 290284007, 870852021]

約数ペア:

[(1, 870852021), (3, 290284007), (13, 66988617), (39, 22329539), (521, 1671501), (1563, 557167), (6773, 128577), (20319, 42859)]