223847729

素因数分解:

$7^2\times {\mathrm{229}}^1\times {\mathrm{19949}}^1$

素因数の和:20192

約数の個数: 12

約数和(自身を含む): 261544500

約数和(自身を除く): 37696771

約数列:

[1, 7, 49, 229, 1603, 11221, 19949, 139643, 977501, 4568321, 31978247, 223847729]

約数ペア:

[(1, 223847729), (7, 31978247), (49, 4568321), (229, 977501), (1603, 139643), (11221, 19949)]