20180926017

素因数分解:

$3^2\times 7^4\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:417

約数の個数: 120

約数和(自身を含む): 35299053504

約数和(自身を除く): 15118127487

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 67, 147, 159, 201, 263, 343, 371, 441, 469, 477, 603, 789, 1029, 1113, 1407, 1841, 2367, 2401, 2597, 3087, 3283, 3339, 3551, 4221, 5523, 7203, 7791, 9849, 10653, 12887, 13939, 16569, 17621, 18179, 21609, 22981, 23373, 24857, 29547, 31959, 38661, 41817, 52863, 54537, 68943, 74571, 90209, 97573, 115983, 123347, 125451, 127253, 158589, 160867, 163611, 173999, 206829, 223713, 270627, 292719, 370041, 381759, 482601, 521997, 631463, 683011, 811881, 863429, 878157, 933913, 1110123, 1145277, 1217993, 1447803, 1565991, 1894389, 2049033, 2590287, 2801739, 3653979, 4781077, 5683167, 6044003, 6147099, 6537391, 7770861, 8405217, 8525951, 10961937, 14343231, 18132009, 19612173, 25577853, 33467539, 42308021, 43029693, 45761737, 54396027, 58836519, 76733559, 100402617, 126924063, 137285211, 301207851, 320332159, 380772189, 411855633, 960996477, 2242325113, 2882989431, 6726975339, 20180926017]

約数ペア:

[(1, 20180926017), (3, 6726975339), (7, 2882989431), (9, 2242325113), (21, 960996477), (49, 411855633), (53, 380772189), (63, 320332159), (67, 301207851), (147, 137285211), (159, 126924063), (201, 100402617), (263, 76733559), (343, 58836519), (371, 54396027), (441, 45761737), (469, 43029693), (477, 42308021), (603, 33467539), (789, 25577853), (1029, 19612173), (1113, 18132009), (1407, 14343231), (1841, 10961937), (2367, 8525951), (2401, 8405217), (2597, 7770861), (3087, 6537391), (3283, 6147099), (3339, 6044003), (3551, 5683167), (4221, 4781077), (5523, 3653979), (7203, 2801739), (7791, 2590287), (9849, 2049033), (10653, 1894389), (12887, 1565991), (13939, 1447803), (16569, 1217993), (17621, 1145277), (18179, 1110123), (21609, 933913), (22981, 878157), (23373, 863429), (24857, 811881), (29547, 683011), (31959, 631463), (38661, 521997), (41817, 482601), (52863, 381759), (54537, 370041), (68943, 292719), (74571, 270627), (90209, 223713), (97573, 206829), (115983, 173999), (123347, 163611), (125451, 160867), (127253, 158589)]