259507185

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{443}}^1\times {\mathrm{797}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 484698816

約数和(自身を除く): 225191631

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 443, 735, 797, 1329, 2215, 2391, 3101, 3985, 5579, 6645, 9303, 11955, 15505, 16737, 21707, 27895, 39053, 46515, 65121, 83685, 108535, 117159, 195265, 325605, 353071, 585795, 1059213, 1765355, 2471497, 5296065, 7414491, 12357485, 17300479, 37072455, 51901437, 86502395, 259507185]

約数ペア:

[(1, 259507185), (3, 86502395), (5, 51901437), (7, 37072455), (15, 17300479), (21, 12357485), (35, 7414491), (49, 5296065), (105, 2471497), (147, 1765355), (245, 1059213), (443, 585795), (735, 353071), (797, 325605), (1329, 195265), (2215, 117159), (2391, 108535), (3101, 83685), (3985, 65121), (5579, 46515), (6645, 39053), (9303, 27895), (11955, 21707), (15505, 16737)]