15921843

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 25998336

約数和(自身を除く): 10076493

約数列:

[1, 3, 7, 17, 21, 51, 103, 119, 309, 357, 433, 721, 1299, 1751, 2163, 3031, 5253, 7361, 9093, 12257, 22083, 36771, 44599, 51527, 133797, 154581, 312193, 758183, 936579, 2274549, 5307281, 15921843]

約数ペア:

[(1, 15921843), (3, 5307281), (7, 2274549), (17, 936579), (21, 758183), (51, 312193), (103, 154581), (119, 133797), (309, 51527), (357, 44599), (433, 36771), (721, 22083), (1299, 12257), (1751, 9093), (2163, 7361), (3031, 5253)]