20171151

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2239}}^1$

素因数の和:2276

約数の個数: 48

約数和(自身を含む): 39137280

約数和(自身を除く): 18966129

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 2239, 3003, 6717, 9009, 15673, 20151, 24629, 29107, 47019, 73887, 87321, 141057, 172403, 203749, 221661, 261963, 320177, 517209, 611247, 960531, 1551627, 1833741, 2241239, 2881593, 6723717, 20171151]

約数ペア:

[(1, 20171151), (3, 6723717), (7, 2881593), (9, 2241239), (11, 1833741), (13, 1551627), (21, 960531), (33, 611247), (39, 517209), (63, 320177), (77, 261963), (91, 221661), (99, 203749), (117, 172403), (143, 141057), (231, 87321), (273, 73887), (429, 47019), (693, 29107), (819, 24629), (1001, 20151), (1287, 15673), (2239, 9009), (3003, 6717)]