320021709

素因数分解:

$3^1\times 7^1\times {\mathrm{827}}^1\times {\mathrm{18427}}^1$

素因数の和:19264

約数の個数: 16

約数和(自身を含む): 488268288

約数和(自身を除く): 168246579

約数列:

[1, 3, 7, 21, 827, 2481, 5789, 17367, 18427, 55281, 128989, 386967, 15239129, 45717387, 106673903, 320021709]

約数ペア:

[(1, 320021709), (3, 106673903), (7, 45717387), (21, 15239129), (827, 386967), (2481, 128989), (5789, 55281), (17367, 18427)]