72390591

素因数分解:

$3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 143678304

約数和(自身を除く): 71287713

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 39, 49, 61, 63, 69, 81, 91, 117, 147, 161, 183, 189, 207, 273, 299, 351, 427, 441, 483, 549, 567, 621, 637, 793, 819, 897, 1053, 1127, 1281, 1323, 1403, 1449, 1647, 1863, 1911, 2093, 2379, 2457, 2691, 2989, 3381, 3843, 3969, 4209, 4347, 4941, 5551, 5733, 6279, 7137, 7371, 8073, 8967, 9821, 10143, 11529, 12627, 13041, 14651, 16653, 17199, 18239, 18837, 21411, 24219, 26901, 29463, 30429, 34587, 37881, 38857, 43953, 49959, 51597, 54717, 56511, 64233, 68747, 80703, 88389, 91287, 113643, 116571, 127673, 131859, 149877, 164151, 169533, 206241, 242109, 265167, 349713, 383019, 395577, 449631, 492453, 618723, 795501, 893711, 1049139, 1149057, 1186731, 1477359, 1856169, 2681133, 3147417, 3447171, 5568507, 8043399, 10341513, 24130197, 72390591]

約数ペア:

[(1, 72390591), (3, 24130197), (7, 10341513), (9, 8043399), (13, 5568507), (21, 3447171), (23, 3147417), (27, 2681133), (39, 1856169), (49, 1477359), (61, 1186731), (63, 1149057), (69, 1049139), (81, 893711), (91, 795501), (117, 618723), (147, 492453), (161, 449631), (183, 395577), (189, 383019), (207, 349713), (273, 265167), (299, 242109), (351, 206241), (427, 169533), (441, 164151), (483, 149877), (549, 131859), (567, 127673), (621, 116571), (637, 113643), (793, 91287), (819, 88389), (897, 80703), (1053, 68747), (1127, 64233), (1281, 56511), (1323, 54717), (1403, 51597), (1449, 49959), (1647, 43953), (1863, 38857), (1911, 37881), (2093, 34587), (2379, 30429), (2457, 29463), (2691, 26901), (2989, 24219), (3381, 21411), (3843, 18837), (3969, 18239), (4209, 17199), (4347, 16653), (4941, 14651), (5551, 13041), (5733, 12627), (6279, 11529), (7137, 10143), (7371, 9821), (8073, 8967)]