239757903

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 461260800

約数和(自身を除く): 221502897

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 131, 133, 139, 171, 209, 231, 393, 399, 417, 627, 693, 917, 973, 1179, 1197, 1251, 1441, 1463, 1529, 1881, 2489, 2641, 2751, 2919, 4323, 4389, 4587, 7467, 7923, 8253, 8757, 10087, 10703, 12969, 13167, 13761, 17423, 18209, 18487, 22401, 23769, 27379, 29051, 30261, 32109, 52269, 54627, 55461, 82137, 87153, 90783, 96327, 127463, 156807, 163881, 166383, 191653, 200299, 203357, 246411, 261459, 345971, 382389, 574959, 600897, 610071, 1037913, 1147167, 1402093, 1724877, 1802691, 1830213, 2421797, 3113739, 3805681, 4206279, 7265391, 11417043, 12618837, 21796173, 26639767, 34251129, 79919301, 239757903]

約数ペア:

[(1, 239757903), (3, 79919301), (7, 34251129), (9, 26639767), (11, 21796173), (19, 12618837), (21, 11417043), (33, 7265391), (57, 4206279), (63, 3805681), (77, 3113739), (99, 2421797), (131, 1830213), (133, 1802691), (139, 1724877), (171, 1402093), (209, 1147167), (231, 1037913), (393, 610071), (399, 600897), (417, 574959), (627, 382389), (693, 345971), (917, 261459), (973, 246411), (1179, 203357), (1197, 200299), (1251, 191653), (1441, 166383), (1463, 163881), (1529, 156807), (1881, 127463), (2489, 96327), (2641, 90783), (2751, 87153), (2919, 82137), (4323, 55461), (4389, 54627), (4587, 52269), (7467, 32109), (7923, 30261), (8253, 29051), (8757, 27379), (10087, 23769), (10703, 22401), (12969, 18487), (13167, 18209), (13761, 17423)]