278113743

素因数分解:

$3^5\times {\mathrm{449}}^1\times {\mathrm{2549}}^1$

素因数の和:3013

約数の個数: 24

約数和(自身を含む): 417690000

約数和(自身を除く): 139576257

約数列:

[1, 3, 9, 27, 81, 243, 449, 1347, 2549, 4041, 7647, 12123, 22941, 36369, 68823, 109107, 206469, 619407, 1144501, 3433503, 10300509, 30901527, 92704581, 278113743]

約数ペア:

[(1, 278113743), (3, 92704581), (9, 30901527), (27, 10300509), (81, 3433503), (243, 1144501), (449, 619407), (1347, 206469), (2549, 109107), (4041, 68823), (7647, 36369), (12123, 22941)]