31455981

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{631}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 47324160

約数和(自身を除く): 15868179

約数列:

[1, 3, 9, 29, 87, 191, 261, 573, 631, 1719, 1893, 5539, 5679, 16617, 18299, 49851, 54897, 120521, 164691, 361563, 1084689, 3495109, 10485327, 31455981]

約数ペア:

[(1, 31455981), (3, 10485327), (9, 3495109), (29, 1084689), (87, 361563), (191, 164691), (261, 120521), (573, 54897), (631, 49851), (1719, 18299), (1893, 16617), (5539, 5679)]