66940887

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{21727}}^1$

素因数の和:21822

約数の個数: 16

約数和(自身を含む): 97341440

約数和(自身を除く): 30400553

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 21727, 65181, 282451, 847353, 1716433, 5149299, 22313629, 66940887]

約数ペア:

[(1, 66940887), (3, 22313629), (13, 5149299), (39, 1716433), (79, 847353), (237, 282451), (1027, 65181), (3081, 21727)]