239888943

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1087}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 412778496

約数和(自身を除く): 172889553

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 113, 217, 279, 339, 651, 791, 1017, 1087, 1953, 2373, 3261, 3503, 7119, 7609, 9783, 10509, 22827, 24521, 31527, 33697, 68481, 73563, 101091, 122831, 220689, 235879, 303273, 368493, 707637, 859817, 1105479, 2122911, 2579451, 3807761, 7738353, 11423283, 26654327, 34269849, 79962981, 239888943]

約数ペア:

[(1, 239888943), (3, 79962981), (7, 34269849), (9, 26654327), (21, 11423283), (31, 7738353), (63, 3807761), (93, 2579451), (113, 2122911), (217, 1105479), (279, 859817), (339, 707637), (651, 368493), (791, 303273), (1017, 235879), (1087, 220689), (1953, 122831), (2373, 101091), (3261, 73563), (3503, 68481), (7119, 33697), (7609, 31527), (9783, 24521), (10509, 22827)]