81274193

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1702

約数の個数: 32

約数和(自身を含む): 111417600

約数和(自身を除く): 30143407

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 343, 539, 637, 1001, 1657, 3773, 4459, 7007, 11599, 18227, 21541, 49049, 81193, 127589, 150787, 236951, 568351, 893123, 1055509, 1658657, 6251861, 7388563, 11610599, 81274193]

約数ペア:

[(1, 81274193), (7, 11610599), (11, 7388563), (13, 6251861), (49, 1658657), (77, 1055509), (91, 893123), (143, 568351), (343, 236951), (539, 150787), (637, 127589), (1001, 81193), (1657, 49049), (3773, 21541), (4459, 18227), (7007, 11599)]