198180579

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{3491}}^1$

素因数の和:3770

約数の個数: 16

約数和(自身を含む): 268185600

約数和(自身を除く): 70005021

約数列:

[1, 3, 127, 149, 381, 447, 3491, 10473, 18923, 56769, 443357, 520159, 1330071, 1560477, 66060193, 198180579]

約数ペア:

[(1, 198180579), (3, 66060193), (127, 1560477), (149, 1330071), (381, 520159), (447, 443357), (3491, 56769), (10473, 18923)]