66123421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42743}}^1$

素因数の和:42780

約数の個数: 16

約数和(自身を含む): 86171904

約数和(自身を除く): 20048483

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 42743, 299201, 555659, 726631, 3889613, 5086417, 9446203, 66123421]

約数ペア:

[(1, 66123421), (7, 9446203), (13, 5086417), (17, 3889613), (91, 726631), (119, 555659), (221, 299201), (1547, 42743)]