81607071

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15733}}^1$

素因数の和:15775

約数の個数: 32

約数和(自身を含む): 140976640

約数和(自身を除く): 59369569

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 15733, 47199, 110131, 204529, 298927, 330393, 613587, 896781, 1431703, 2092489, 3886051, 4295109, 6277467, 11658153, 27202357, 81607071]

約数ペア:

[(1, 81607071), (3, 27202357), (7, 11658153), (13, 6277467), (19, 4295109), (21, 3886051), (39, 2092489), (57, 1431703), (91, 896781), (133, 613587), (247, 330393), (273, 298927), (399, 204529), (741, 110131), (1729, 47199), (5187, 15733)]