23139999

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{9851}}^1$

素因数の和:9892

約数の個数: 20

約数和(自身を含む): 35762760

約数和(自身を除く): 12622761

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 9851, 29553, 88659, 265977, 285679, 797931, 857037, 2571111, 7713333, 23139999]

約数ペア:

[(1, 23139999), (3, 7713333), (9, 2571111), (27, 857037), (29, 797931), (81, 285679), (87, 265977), (261, 88659), (783, 29553), (2349, 9851)]