29071791

素因数分解:

$3^9\times 7^1\times {\mathrm{211}}^1$

素因数の和:245

約数の個数: 40

約数和(自身を含む): 50072704

約数和(自身を除く): 21000913

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 211, 243, 567, 633, 729, 1477, 1701, 1899, 2187, 4431, 5103, 5697, 6561, 13293, 15309, 17091, 19683, 39879, 45927, 51273, 119637, 137781, 153819, 358911, 461457, 1076733, 1384371, 3230199, 4153113, 9690597, 29071791]

約数ペア:

[(1, 29071791), (3, 9690597), (7, 4153113), (9, 3230199), (21, 1384371), (27, 1076733), (63, 461457), (81, 358911), (189, 153819), (211, 137781), (243, 119637), (567, 51273), (633, 45927), (729, 39879), (1477, 19683), (1701, 17091), (1899, 15309), (2187, 13293), (4431, 6561), (5103, 5697)]