121616521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 144789120

約数和(自身を除く): 23172599

約数列:

[1, 13, 17, 37, 107, 139, 221, 481, 629, 1391, 1807, 1819, 2363, 3959, 5143, 8177, 14873, 23647, 30719, 51467, 66859, 67303, 87431, 193349, 252841, 550301, 874939, 1136603, 3286933, 7153913, 9355117, 121616521]

約数ペア:

[(1, 121616521), (13, 9355117), (17, 7153913), (37, 3286933), (107, 1136603), (139, 874939), (221, 550301), (481, 252841), (629, 193349), (1391, 87431), (1807, 67303), (1819, 66859), (2363, 51467), (3959, 30719), (5143, 23647), (8177, 14873)]