1668742401

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{27043}}^1$

素因数の和:27420

約数の個数: 16

約数和(自身を含む): 2265638144

約数和(自身を除く): 596895743

約数列:

[1, 3, 67, 201, 307, 921, 20569, 27043, 61707, 81129, 1811881, 5435643, 8302201, 24906603, 556247467, 1668742401]

約数ペア:

[(1, 1668742401), (3, 556247467), (67, 24906603), (201, 8302201), (307, 5435643), (921, 1811881), (20569, 81129), (27043, 61707)]