204868209

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 352396800

約数和(自身を除く): 147528591

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 113, 203, 229, 273, 339, 377, 609, 687, 791, 1131, 1469, 1603, 2373, 2639, 2977, 3277, 4407, 4809, 6641, 7917, 8931, 9831, 10283, 19923, 20839, 22939, 25877, 30849, 42601, 46487, 62517, 68817, 77631, 86333, 127803, 139461, 181139, 258999, 298207, 336401, 543417, 604331, 750433, 894621, 1009203, 1812993, 2251299, 2354807, 5253031, 7064421, 9755629, 15759093, 29266887, 68289403, 204868209]

約数ペア:

[(1, 204868209), (3, 68289403), (7, 29266887), (13, 15759093), (21, 9755629), (29, 7064421), (39, 5253031), (87, 2354807), (91, 2251299), (113, 1812993), (203, 1009203), (229, 894621), (273, 750433), (339, 604331), (377, 543417), (609, 336401), (687, 298207), (791, 258999), (1131, 181139), (1469, 139461), (1603, 127803), (2373, 86333), (2639, 77631), (2977, 68817), (3277, 62517), (4407, 46487), (4809, 42601), (6641, 30849), (7917, 25877), (8931, 22939), (9831, 20839), (10283, 19923)]