38979549

素因数分解:

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

素因数の和:117

約数の個数: 80

約数和(自身を含む): 72019200

約数和(自身を除く): 33039651

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 61, 63, 69, 81, 147, 161, 183, 189, 207, 343, 427, 441, 483, 549, 567, 621, 1029, 1127, 1281, 1323, 1403, 1449, 1647, 1863, 2989, 3087, 3381, 3843, 3969, 4209, 4347, 4941, 7889, 8967, 9261, 9821, 10143, 11529, 12627, 13041, 20923, 23667, 26901, 27783, 29463, 30429, 34587, 37881, 62769, 68747, 71001, 80703, 88389, 91287, 113643, 188307, 206241, 213003, 242109, 265167, 481229, 564921, 618723, 639009, 795501, 1443687, 1694763, 1856169, 4331061, 5568507, 12993183, 38979549]

約数ペア:

[(1, 38979549), (3, 12993183), (7, 5568507), (9, 4331061), (21, 1856169), (23, 1694763), (27, 1443687), (49, 795501), (61, 639009), (63, 618723), (69, 564921), (81, 481229), (147, 265167), (161, 242109), (183, 213003), (189, 206241), (207, 188307), (343, 113643), (427, 91287), (441, 88389), (483, 80703), (549, 71001), (567, 68747), (621, 62769), (1029, 37881), (1127, 34587), (1281, 30429), (1323, 29463), (1403, 27783), (1449, 26901), (1647, 23667), (1863, 20923), (2989, 13041), (3087, 12627), (3381, 11529), (3843, 10143), (3969, 9821), (4209, 9261), (4347, 8967), (4941, 7889)]