381406959

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{569}}^1\times {\mathrm{1049}}^1$

素因数の和:1695

約数の個数: 24

約数和(自身を含む): 560196000

約数和(自身を除く): 178789041

約数列:

[1, 3, 9, 71, 213, 569, 639, 1049, 1707, 3147, 5121, 9441, 40399, 74479, 121197, 223437, 363591, 596881, 670311, 1790643, 5371929, 42378551, 127135653, 381406959]

約数ペア:

[(1, 381406959), (3, 127135653), (9, 42378551), (71, 5371929), (213, 1790643), (569, 670311), (639, 596881), (1049, 363591), (1707, 223437), (3147, 121197), (5121, 74479), (9441, 40399)]