17821479

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{10627}}^1$

素因数の和:10686

約数の個数: 16

約数和(自身を含む): 26187392

約数和(自身を除く): 8365913

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 10627, 31881, 138151, 414453, 456961, 1370883, 5940493, 17821479]

約数ペア:

[(1, 17821479), (3, 5940493), (13, 1370883), (39, 456961), (43, 414453), (129, 138151), (559, 31881), (1677, 10627)]