13871319

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 23901696

約数和(自身を除く): 10030377

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 103, 121, 159, 231, 309, 363, 371, 583, 721, 847, 1113, 1133, 1749, 2163, 2541, 3399, 4081, 5459, 6413, 7931, 12243, 12463, 16377, 19239, 23793, 37389, 38213, 44891, 60049, 87241, 114639, 134673, 180147, 261723, 420343, 660539, 1261029, 1981617, 4623773, 13871319]

約数ペア:

[(1, 13871319), (3, 4623773), (7, 1981617), (11, 1261029), (21, 660539), (33, 420343), (53, 261723), (77, 180147), (103, 134673), (121, 114639), (159, 87241), (231, 60049), (309, 44891), (363, 38213), (371, 37389), (583, 23793), (721, 19239), (847, 16377), (1113, 12463), (1133, 12243), (1749, 7931), (2163, 6413), (2541, 5459), (3399, 4081)]