81505193

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{55711}}^1$

素因数の和:55748

約数の個数: 16

約数和(自身を含む): 106967040

約数和(自身を除く): 25461847

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 55711, 389977, 612821, 1058509, 4289747, 7409563, 11643599, 81505193]

約数ペア:

[(1, 81505193), (7, 11643599), (11, 7409563), (19, 4289747), (77, 1058509), (133, 612821), (209, 389977), (1463, 55711)]