813891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 1199520

約数和(自身を除く): 385629

約数列:

[1, 3, 13, 39, 41, 123, 509, 533, 1527, 1599, 6617, 19851, 20869, 62607, 271297, 813891]

約数ペア:

[(1, 813891), (3, 271297), (13, 62607), (39, 20869), (41, 19851), (123, 6617), (509, 1599), (533, 1527)]