79020879

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 131459328

約数和(自身を除く): 52438449

約数列:

[1, 3, 7, 17, 21, 49, 51, 103, 119, 147, 307, 309, 357, 721, 833, 921, 1751, 2149, 2163, 2499, 5047, 5219, 5253, 6447, 12257, 15043, 15141, 15657, 31621, 36533, 36771, 45129, 85799, 94863, 109599, 221347, 255731, 257397, 537557, 664041, 767193, 1549429, 1612671, 3762899, 4648287, 11288697, 26340293, 79020879]

約数ペア:

[(1, 79020879), (3, 26340293), (7, 11288697), (17, 4648287), (21, 3762899), (49, 1612671), (51, 1549429), (103, 767193), (119, 664041), (147, 537557), (307, 257397), (309, 255731), (357, 221347), (721, 109599), (833, 94863), (921, 85799), (1751, 45129), (2149, 36771), (2163, 36533), (2499, 31621), (5047, 15657), (5219, 15141), (5253, 15043), (6447, 12257)]