205969281

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 340139520

約数和(自身を除く): 134170239

約数列:

[1, 3, 7, 21, 29, 41, 73, 87, 113, 123, 203, 219, 287, 339, 511, 609, 791, 861, 1189, 1533, 2117, 2373, 2993, 3277, 3567, 4633, 6351, 8249, 8323, 8979, 9831, 13899, 14819, 20951, 22939, 24747, 24969, 32431, 44457, 57743, 62853, 68817, 86797, 97293, 134357, 173229, 239221, 260391, 338209, 403071, 607579, 717663, 940499, 1014627, 1674547, 1822737, 2367463, 2821497, 5023641, 7102389, 9808061, 29424183, 68656427, 205969281]

約数ペア:

[(1, 205969281), (3, 68656427), (7, 29424183), (21, 9808061), (29, 7102389), (41, 5023641), (73, 2821497), (87, 2367463), (113, 1822737), (123, 1674547), (203, 1014627), (219, 940499), (287, 717663), (339, 607579), (511, 403071), (609, 338209), (791, 260391), (861, 239221), (1189, 173229), (1533, 134357), (2117, 97293), (2373, 86797), (2993, 68817), (3277, 62853), (3567, 57743), (4633, 44457), (6351, 32431), (8249, 24969), (8323, 24747), (8979, 22939), (9831, 20951), (13899, 14819)]