81289271

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1499}}^1$

素因数の和:1694

約数の個数: 16

約数和(自身を含む): 95232000

約数和(自身を除く): 13942729

約数列:

[1, 7, 61, 127, 427, 889, 1499, 7747, 10493, 54229, 91439, 190373, 640073, 1332611, 11612753, 81289271]

約数ペア:

[(1, 81289271), (7, 11612753), (61, 1332611), (127, 640073), (427, 190373), (889, 91439), (1499, 54229), (7747, 10493)]