31691439

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{90289}}^1$

素因数の和:90311

約数の個数: 16

約数和(自身を含む): 50562400

約数和(自身を除く): 18870961

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 90289, 270867, 812601, 1173757, 2437803, 3521271, 10563813, 31691439]

約数ペア:

[(1, 31691439), (3, 10563813), (9, 3521271), (13, 2437803), (27, 1173757), (39, 812601), (117, 270867), (351, 90289)]