13340313

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 23237760

約数和(自身を除く): 9897447

約数列:

[1, 3, 7, 9, 21, 37, 59, 63, 97, 111, 177, 259, 291, 333, 413, 531, 679, 777, 873, 1239, 2037, 2183, 2331, 3589, 3717, 5723, 6111, 6549, 10767, 15281, 17169, 19647, 25123, 32301, 40061, 45843, 51507, 75369, 120183, 137529, 211751, 226107, 360549, 635253, 1482257, 1905759, 4446771, 13340313]

約数ペア:

[(1, 13340313), (3, 4446771), (7, 1905759), (9, 1482257), (21, 635253), (37, 360549), (59, 226107), (63, 211751), (97, 137529), (111, 120183), (177, 75369), (259, 51507), (291, 45843), (333, 40061), (413, 32301), (531, 25123), (679, 19647), (777, 17169), (873, 15281), (1239, 10767), (2037, 6549), (2183, 6111), (2331, 5723), (3589, 3717)]