20131335

素因数分解:

$3^7\times 5^1\times 7^1\times {\mathrm{263}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 41564160

約数和(自身を除く): 21432825

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 263, 315, 405, 567, 729, 789, 945, 1215, 1315, 1701, 1841, 2187, 2367, 2835, 3645, 3945, 5103, 5523, 7101, 8505, 9205, 10935, 11835, 15309, 16569, 21303, 25515, 27615, 35505, 49707, 63909, 76545, 82845, 106515, 149121, 191727, 248535, 319545, 447363, 575181, 745605, 958635, 1342089, 2236815, 2875905, 4026267, 6710445, 20131335]

約数ペア:

[(1, 20131335), (3, 6710445), (5, 4026267), (7, 2875905), (9, 2236815), (15, 1342089), (21, 958635), (27, 745605), (35, 575181), (45, 447363), (63, 319545), (81, 248535), (105, 191727), (135, 149121), (189, 106515), (243, 82845), (263, 76545), (315, 63909), (405, 49707), (567, 35505), (729, 27615), (789, 25515), (945, 21303), (1215, 16569), (1315, 15309), (1701, 11835), (1841, 10935), (2187, 9205), (2367, 8505), (2835, 7101), (3645, 5523), (3945, 5103)]