207947913

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{1223}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 294729408

約数和(自身を除く): 86781495

約数列:

[1, 3, 19, 57, 157, 361, 471, 1083, 1223, 2983, 3669, 8949, 23237, 56677, 69711, 170031, 192011, 441503, 576033, 1324509, 3648209, 10944627, 69315971, 207947913]

約数ペア:

[(1, 207947913), (3, 69315971), (19, 10944627), (57, 3648209), (157, 1324509), (361, 576033), (471, 441503), (1083, 192011), (1223, 170031), (2983, 69711), (3669, 56677), (8949, 23237)]