2011131975

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{865003}}^1$

素因数の和:865047

約数の個数: 24

約数和(自身を含む): 3432335872

約数和(自身を除く): 1421203897

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 865003, 2595009, 4325015, 12975045, 21625075, 26815093, 64875225, 80445279, 134075465, 402226395, 670377325, 2011131975]

約数ペア:

[(1, 2011131975), (3, 670377325), (5, 402226395), (15, 134075465), (25, 80445279), (31, 64875225), (75, 26815093), (93, 21625075), (155, 12975045), (465, 4325015), (775, 2595009), (2325, 865003)]