80781415

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{10271}}^1$

素因数の和:10311

約数の個数: 24

約数和(自身を含む): 114758784

約数和(自身を除く): 33977369

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 7865, 10271, 51355, 112981, 133523, 564905, 667615, 1242791, 1468753, 6213955, 7343765, 16156283, 80781415]

約数ペア:

[(1, 80781415), (5, 16156283), (11, 7343765), (13, 6213955), (55, 1468753), (65, 1242791), (121, 667615), (143, 564905), (605, 133523), (715, 112981), (1573, 51355), (7865, 10271)]