29257221

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{81953}}^1$

素因数の和:81980

約数の個数: 16

約数和(自身を含む): 47205504

約数和(自身を除く): 17948283

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 81953, 245859, 573671, 1393201, 1721013, 4179603, 9752407, 29257221]

約数ペア:

[(1, 29257221), (3, 9752407), (7, 4179603), (17, 1721013), (21, 1393201), (51, 573671), (119, 245859), (357, 81953)]