25227405

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{673}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 53938872

約数和(自身を除く): 28711467

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 673, 735, 765, 833, 1071, 1785, 2019, 2205, 2499, 3365, 4165, 4711, 5355, 6057, 7497, 10095, 11441, 12495, 14133, 23555, 30285, 32977, 34323, 37485, 42399, 57205, 70665, 80087, 98931, 102969, 164885, 171615, 211995, 240261, 296793, 400435, 494655, 514845, 560609, 720783, 1201305, 1483965, 1681827, 2803045, 3603915, 5045481, 8409135, 25227405]

約数ペア:

[(1, 25227405), (3, 8409135), (5, 5045481), (7, 3603915), (9, 2803045), (15, 1681827), (17, 1483965), (21, 1201305), (35, 720783), (45, 560609), (49, 514845), (51, 494655), (63, 400435), (85, 296793), (105, 240261), (119, 211995), (147, 171615), (153, 164885), (245, 102969), (255, 98931), (315, 80087), (357, 70665), (441, 57205), (595, 42399), (673, 37485), (735, 34323), (765, 32977), (833, 30285), (1071, 23555), (1785, 14133), (2019, 12495), (2205, 11441), (2499, 10095), (3365, 7497), (4165, 6057), (4711, 5355)]