8426481

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 13824000

約数和(自身を除く): 5397519

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 431, 931, 1029, 1293, 2793, 3017, 6517, 8189, 9051, 19551, 21119, 24567, 57323, 63357, 147833, 171969, 401261, 443499, 1203783, 2808827, 8426481]

約数ペア:

[(1, 8426481), (3, 2808827), (7, 1203783), (19, 443499), (21, 401261), (49, 171969), (57, 147833), (133, 63357), (147, 57323), (343, 24567), (399, 21119), (431, 19551), (931, 9051), (1029, 8189), (1293, 6517), (2793, 3017)]