66028235

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20731}}^1$

素因数の和:20763

約数の個数: 24

約数和(自身を含む): 99264816

約数和(自身を除く): 33236581

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 20731, 103655, 145117, 269503, 725585, 1015819, 1347515, 1886521, 5079095, 9432605, 13205647, 66028235]

約数ペア:

[(1, 66028235), (5, 13205647), (7, 9432605), (13, 5079095), (35, 1886521), (49, 1347515), (65, 1015819), (91, 725585), (245, 269503), (455, 145117), (637, 103655), (3185, 20731)]