2987019

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2789}}^1$

素因数の和:2819

約数の個数: 24

約数和(自身を含む): 5222880

約数和(自身を除く): 2235861

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 2789, 8367, 19523, 25101, 47413, 58569, 142239, 175707, 331891, 426717, 995673, 2987019]

約数ペア:

[(1, 2987019), (3, 995673), (7, 426717), (9, 331891), (17, 175707), (21, 142239), (51, 58569), (63, 47413), (119, 25101), (153, 19523), (357, 8367), (1071, 2789)]