2947707

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 4942080

約数和(自身を除く): 1994373

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 659, 1491, 1977, 4473, 4613, 5931, 13839, 41517, 46789, 140367, 327523, 421101, 982569, 2947707]

約数ペア:

[(1, 2947707), (3, 982569), (7, 421101), (9, 327523), (21, 140367), (63, 46789), (71, 41517), (213, 13839), (497, 5931), (639, 4613), (659, 4473), (1491, 1977)]