221760133

素因数分解:

$7^3\times {\mathrm{103}}^1\times {\mathrm{6277}}^1$

素因数の和:6401

約数の個数: 16

約数和(自身を含む): 261164800

約数和(自身を除く): 39404667

約数列:

[1, 7, 49, 103, 343, 721, 5047, 6277, 35329, 43939, 307573, 646531, 2153011, 4525717, 31680019, 221760133]

約数ペア:

[(1, 221760133), (7, 31680019), (49, 4525717), (103, 2153011), (343, 646531), (721, 307573), (5047, 43939), (6277, 35329)]