78821721

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6473}}^1$

素因数の和:6534

約数の個数: 32

約数和(自身を含む): 130515840

約数和(自身を除く): 51694119

約数列:

[1, 3, 9, 11, 27, 33, 41, 99, 123, 297, 369, 451, 1107, 1353, 4059, 6473, 12177, 19419, 58257, 71203, 174771, 213609, 265393, 640827, 796179, 1922481, 2388537, 2919323, 7165611, 8757969, 26273907, 78821721]

約数ペア:

[(1, 78821721), (3, 26273907), (9, 8757969), (11, 7165611), (27, 2919323), (33, 2388537), (41, 1922481), (99, 796179), (123, 640827), (297, 265393), (369, 213609), (451, 174771), (1107, 71203), (1353, 58257), (4059, 19419), (6473, 12177)]