211328262009

素因数分解:

$3^4\times {\mathrm{367}}^1\times {\mathrm{7108967}}^1$

素因数の和:7109346

約数の個数: 20

約数和(自身を含む): 316548127104

約数和(自身を除く): 105219865095

約数列:

[1, 3, 9, 27, 81, 367, 1101, 3303, 9909, 29727, 7108967, 21326901, 63980703, 191942109, 575826327, 2608990889, 7826972667, 23480918001, 70442754003, 211328262009]

約数ペア:

[(1, 211328262009), (3, 70442754003), (9, 23480918001), (27, 7826972667), (81, 2608990889), (367, 575826327), (1101, 191942109), (3303, 63980703), (9909, 21326901), (29727, 7108967)]