71257407

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{42491}}^1$

素因数の和:42550

約数の個数: 16

約数和(自身を含む): 104700288

約数和(自身を除く): 33442881

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 42491, 127473, 552383, 1657149, 1827113, 5481339, 23752469, 71257407]

約数ペア:

[(1, 71257407), (3, 23752469), (13, 5481339), (39, 1827113), (43, 1657149), (129, 552383), (559, 127473), (1677, 42491)]