91681731

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20663}}^1$

素因数の和:20715

約数の個数: 24

約数和(自身を含む): 145061280

約数和(自身を除く): 53379549

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 20663, 61989, 185967, 351271, 599227, 1053813, 1797681, 3161439, 5393043, 10186859, 30560577, 91681731]

約数ペア:

[(1, 91681731), (3, 30560577), (9, 10186859), (17, 5393043), (29, 3161439), (51, 1797681), (87, 1053813), (153, 599227), (261, 351271), (493, 185967), (1479, 61989), (4437, 20663)]