740654889

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{267481}}^1$

素因数の和:267568

約数の個数: 16

約数和(自身を含む): 1078487424

約数和(自身を除く): 337832535

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 267481, 802443, 3477253, 10431759, 18991151, 56973453, 246884963, 740654889]

約数ペア:

[(1, 740654889), (3, 246884963), (13, 56973453), (39, 18991151), (71, 10431759), (213, 3477253), (923, 802443), (2769, 267481)]