121380221

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1657}}^1$

素因数の和:1844

約数の個数: 16

約数和(自身を含む): 133701120

約数和(自身を除く): 12320899

約数列:

[1, 17, 31, 139, 527, 1657, 2363, 4309, 28169, 51367, 73253, 230323, 873239, 3915491, 7140013, 121380221]

約数ペア:

[(1, 121380221), (17, 7140013), (31, 3915491), (139, 873239), (527, 230323), (1657, 73253), (2363, 51367), (4309, 28169)]