291211631949

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1\times {\mathrm{823127}}^1$

素因数の和:824145

約数の個数: 32

約数和(自身を含む): 470328754176

約数和(自身を除く): 179117122227

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 991, 2973, 6937, 16847, 20811, 50541, 117929, 353787, 823127, 2469381, 5761889, 13993159, 17285667, 41979477, 97952113, 293856339, 815718857, 2447156571, 5710031999, 13867220569, 17130095997, 41601661707, 97070543983, 291211631949]

約数ペア:

[(1, 291211631949), (3, 97070543983), (7, 41601661707), (17, 17130095997), (21, 13867220569), (51, 5710031999), (119, 2447156571), (357, 815718857), (991, 293856339), (2973, 97952113), (6937, 41979477), (16847, 17285667), (20811, 13993159), (50541, 5761889), (117929, 2469381), (353787, 823127)]