17384787

素因数分解:

$3^4\times 7^1\times {\mathrm{30661}}^1$

素因数の和:30680

約数の個数: 20

約数和(自身を含む): 29680816

約数和(自身を除く): 12296029

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 30661, 91983, 214627, 275949, 643881, 827847, 1931643, 2483541, 5794929, 17384787]

約数ペア:

[(1, 17384787), (3, 5794929), (7, 2483541), (9, 1931643), (21, 827847), (27, 643881), (63, 275949), (81, 214627), (189, 91983), (567, 30661)]