81789654

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{223469}}^1$

素因数の和:223535

約数の個数: 16

約数和(自身を含む): 166261680

約数和(自身を除く): 84472026

約数列:

[1, 2, 3, 6, 61, 122, 183, 366, 223469, 446938, 670407, 1340814, 13631609, 27263218, 40894827, 81789654]

約数ペア:

[(1, 81789654), (2, 40894827), (3, 27263218), (6, 13631609), (61, 1340814), (122, 670407), (183, 446938), (366, 223469)]