15853923

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 26208000

約数和(自身を除く): 10354077

約数列:

[1, 3, 9, 19, 23, 29, 57, 69, 87, 139, 171, 207, 261, 417, 437, 551, 667, 1251, 1311, 1653, 2001, 2641, 3197, 3933, 4031, 4959, 6003, 7923, 9591, 12093, 12673, 23769, 28773, 36279, 38019, 60743, 76589, 92713, 114057, 182229, 229767, 278139, 546687, 689301, 834417, 1761547, 5284641, 15853923]

約数ペア:

[(1, 15853923), (3, 5284641), (9, 1761547), (19, 834417), (23, 689301), (29, 546687), (57, 278139), (69, 229767), (87, 182229), (139, 114057), (171, 92713), (207, 76589), (261, 60743), (417, 38019), (437, 36279), (551, 28773), (667, 23769), (1251, 12673), (1311, 12093), (1653, 9591), (2001, 7923), (2641, 6003), (3197, 4959), (3933, 4031)]