81928161

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{44843}}^1$

素因数の和:44885

約数の個数: 24

約数和(自身を含む): 139913280

約数和(自身を除く): 57985119

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 44843, 134529, 313901, 403587, 941703, 1300447, 2825109, 3901341, 9103129, 11704023, 27309387, 81928161]

約数ペア:

[(1, 81928161), (3, 27309387), (7, 11704023), (9, 9103129), (21, 3901341), (29, 2825109), (63, 1300447), (87, 941703), (203, 403587), (261, 313901), (609, 134529), (1827, 44843)]