17651439

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{16763}}^1$

素因数の和:16788

約数の個数: 20

約数和(自身を含む): 28398216

約数和(自身を除く): 10746777

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 16763, 50289, 150867, 217919, 452601, 653757, 1357803, 1961271, 5883813, 17651439]

約数ペア:

[(1, 17651439), (3, 5883813), (9, 1961271), (13, 1357803), (27, 653757), (39, 452601), (81, 217919), (117, 150867), (351, 50289), (1053, 16763)]