8778861

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 16225664

約数和(自身を除く): 7446803

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 397, 567, 819, 1053, 1191, 1701, 2457, 2779, 3159, 3573, 5161, 7371, 8337, 10719, 15483, 22113, 25011, 32157, 36127, 46449, 75033, 96471, 108381, 139347, 225099, 325143, 418041, 675297, 975429, 1254123, 2926287, 8778861]

約数ペア:

[(1, 8778861), (3, 2926287), (7, 1254123), (9, 975429), (13, 675297), (21, 418041), (27, 325143), (39, 225099), (63, 139347), (81, 108381), (91, 96471), (117, 75033), (189, 46449), (243, 36127), (273, 32157), (351, 25011), (397, 22113), (567, 15483), (819, 10719), (1053, 8337), (1191, 7371), (1701, 5161), (2457, 3573), (2779, 3159)]