81492021

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{232171}}^1$

素因数の和:232193

約数の個数: 16

約数和(自身を含む): 130016320

約数和(自身を除く): 48524299

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 232171, 696513, 2089539, 3018223, 6268617, 9054669, 27164007, 81492021]

約数ペア:

[(1, 81492021), (3, 27164007), (9, 9054669), (13, 6268617), (27, 3018223), (39, 2089539), (117, 696513), (351, 232171)]