42756441

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8243}}^1$

素因数の和:8285

約数の個数: 32

約数和(自身を含む): 73866240

約数和(自身を除く): 31109799

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 8243, 24729, 57701, 107159, 156617, 173103, 321477, 469851, 750113, 1096319, 2036021, 2250339, 3288957, 6108063, 14252147, 42756441]

約数ペア:

[(1, 42756441), (3, 14252147), (7, 6108063), (13, 3288957), (19, 2250339), (21, 2036021), (39, 1096319), (57, 750113), (91, 469851), (133, 321477), (247, 173103), (273, 156617), (399, 107159), (741, 57701), (1729, 24729), (5187, 8243)]