78635781

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{54269}}^1$

素因数の和:54305

約数の個数: 24

約数和(自身を含む): 135457920

約数和(自身を除く): 56822139

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 54269, 162807, 379883, 488421, 1139649, 1248187, 3418947, 3744561, 8737309, 11233683, 26211927, 78635781]

約数ペア:

[(1, 78635781), (3, 26211927), (7, 11233683), (9, 8737309), (21, 3744561), (23, 3418947), (63, 1248187), (69, 1139649), (161, 488421), (207, 379883), (483, 162807), (1449, 54269)]