68520543

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 115948800

約数和(自身を除く): 47428257

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 169, 273, 301, 449, 507, 559, 903, 1183, 1347, 1677, 3143, 3549, 3913, 5837, 7267, 9429, 11739, 17511, 19307, 21801, 40859, 50869, 57921, 75881, 122577, 135149, 152607, 227643, 250991, 405447, 531167, 752973, 1593501, 1756937, 3262883, 5270811, 9788649, 22840181, 68520543]

約数ペア:

[(1, 68520543), (3, 22840181), (7, 9788649), (13, 5270811), (21, 3262883), (39, 1756937), (43, 1593501), (91, 752973), (129, 531167), (169, 405447), (273, 250991), (301, 227643), (449, 152607), (507, 135149), (559, 122577), (903, 75881), (1183, 57921), (1347, 50869), (1677, 40859), (3143, 21801), (3549, 19307), (3913, 17511), (5837, 11739), (7267, 9429)]