6643455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 13590528

約数和(自身を除く): 6947073

約数列:

[1, 3, 5, 7, 13, 15, 21, 31, 35, 39, 65, 91, 93, 105, 155, 157, 195, 217, 273, 403, 455, 465, 471, 651, 785, 1085, 1099, 1209, 1365, 2015, 2041, 2355, 2821, 3255, 3297, 4867, 5495, 6045, 6123, 8463, 10205, 14105, 14287, 14601, 16485, 24335, 30615, 34069, 42315, 42861, 63271, 71435, 73005, 102207, 170345, 189813, 214305, 316355, 442897, 511035, 949065, 1328691, 2214485, 6643455]

約数ペア:

[(1, 6643455), (3, 2214485), (5, 1328691), (7, 949065), (13, 511035), (15, 442897), (21, 316355), (31, 214305), (35, 189813), (39, 170345), (65, 102207), (91, 73005), (93, 71435), (105, 63271), (155, 42861), (157, 42315), (195, 34069), (217, 30615), (273, 24335), (403, 16485), (455, 14601), (465, 14287), (471, 14105), (651, 10205), (785, 8463), (1085, 6123), (1099, 6045), (1209, 5495), (1365, 4867), (2015, 3297), (2041, 3255), (2355, 2821)]