15431211

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 25159680

約数和(自身を除く): 9728469

約数列:

[1, 3, 9, 19, 31, 41, 57, 71, 93, 123, 171, 213, 279, 369, 589, 639, 779, 1271, 1349, 1767, 2201, 2337, 2911, 3813, 4047, 5301, 6603, 7011, 8733, 11439, 12141, 19809, 24149, 26199, 41819, 55309, 72447, 90241, 125457, 165927, 217341, 270723, 376371, 497781, 812169, 1714579, 5143737, 15431211]

約数ペア:

[(1, 15431211), (3, 5143737), (9, 1714579), (19, 812169), (31, 497781), (41, 376371), (57, 270723), (71, 217341), (93, 165927), (123, 125457), (171, 90241), (213, 72447), (279, 55309), (369, 41819), (589, 26199), (639, 24149), (779, 19809), (1271, 12141), (1349, 11439), (1767, 8733), (2201, 7011), (2337, 6603), (2911, 5301), (3813, 4047)]