13187223

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1759}}^1$

素因数の和:1796

約数の個数: 36

約数和(自身を含む): 23474880

約数和(自身を除く): 10287657

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 1759, 2499, 5277, 7497, 12313, 15831, 29903, 36939, 86191, 89709, 110817, 209321, 258573, 269127, 627963, 775719, 1465247, 1883889, 4395741, 13187223]

約数ペア:

[(1, 13187223), (3, 4395741), (7, 1883889), (9, 1465247), (17, 775719), (21, 627963), (49, 269127), (51, 258573), (63, 209321), (119, 110817), (147, 89709), (153, 86191), (357, 36939), (441, 29903), (833, 15831), (1071, 12313), (1759, 7497), (2499, 5277)]