78987777

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 118554624

約数和(自身を除く): 39566847

約数列:

[1, 3, 11, 33, 47, 127, 141, 381, 401, 517, 1203, 1397, 1551, 4191, 4411, 5969, 13233, 17907, 18847, 50927, 56541, 65659, 152781, 196977, 207317, 560197, 621951, 1680591, 2393569, 7180707, 26329259, 78987777]

約数ペア:

[(1, 78987777), (3, 26329259), (11, 7180707), (33, 2393569), (47, 1680591), (127, 621951), (141, 560197), (381, 207317), (401, 196977), (517, 152781), (1203, 65659), (1397, 56541), (1551, 50927), (4191, 18847), (4411, 17907), (5969, 13233)]