71320053

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4831}}^1$

素因数の和:4897

約数の個数: 32

約数和(自身を含む): 117514240

約数和(自身を除く): 46194187

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 4831, 4921, 14493, 14763, 33817, 91789, 101451, 178747, 275367, 536241, 642523, 1251229, 1927569, 3396193, 3753687, 10188579, 23773351, 71320053]

約数ペア:

[(1, 71320053), (3, 23773351), (7, 10188579), (19, 3753687), (21, 3396193), (37, 1927569), (57, 1251229), (111, 642523), (133, 536241), (259, 275367), (399, 178747), (703, 101451), (777, 91789), (2109, 33817), (4831, 14763), (4921, 14493)]