78838221

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7937}}^1$

素因数の和:8001

約数の個数: 32

約数和(自身を含む): 134120448

約数和(自身を除く): 55282227

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 3311, 7937, 9933, 23811, 55559, 87307, 166677, 261921, 341291, 611149, 1023873, 1833447, 2389037, 3754201, 7167111, 11262603, 26279407, 78838221]

約数ペア:

[(1, 78838221), (3, 26279407), (7, 11262603), (11, 7167111), (21, 3754201), (33, 2389037), (43, 1833447), (77, 1023873), (129, 611149), (231, 341291), (301, 261921), (473, 166677), (903, 87307), (1419, 55559), (3311, 23811), (7937, 9933)]