38986605

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17681}}^1$

素因数の和:17706

約数の個数: 36

約数和(自身を含む): 78614172

約数和(自身を除く): 39627567

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 17681, 53043, 88405, 123767, 159129, 265215, 371301, 618835, 795645, 866369, 1113903, 1856505, 2599107, 4331845, 5569515, 7797321, 12995535, 38986605]

約数ペア:

[(1, 38986605), (3, 12995535), (5, 7797321), (7, 5569515), (9, 4331845), (15, 2599107), (21, 1856505), (35, 1113903), (45, 866369), (49, 795645), (63, 618835), (105, 371301), (147, 265215), (245, 159129), (315, 123767), (441, 88405), (735, 53043), (2205, 17681)]