17984511

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{929}}^1$

素因数の和:1180

約数の個数: 20

約数和(自身を含む): 27007200

約数和(自身を除く): 9022689

約数列:

[1, 3, 9, 27, 81, 239, 717, 929, 2151, 2787, 6453, 8361, 19359, 25083, 75249, 222031, 666093, 1998279, 5994837, 17984511]

約数ペア:

[(1, 17984511), (3, 5994837), (9, 1998279), (27, 666093), (81, 222031), (239, 75249), (717, 25083), (929, 19359), (2151, 8361), (2787, 6453)]