23157819

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{7727}}^1$

素因数の和:7776

約数の個数: 20

約数和(自身を含む): 35533344

約数和(自身を除く): 12375525

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 7727, 23181, 69543, 208629, 285899, 625887, 857697, 2573091, 7719273, 23157819]

約数ペア:

[(1, 23157819), (3, 7719273), (9, 2573091), (27, 857697), (37, 625887), (81, 285899), (111, 208629), (333, 69543), (999, 23181), (2997, 7727)]