18303651

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2539}}^1$

素因数の和:2640

約数の個数: 20

約数和(自身を含む): 27660600

約数和(自身を除く): 9356949

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 2539, 7209, 7617, 22851, 68553, 205659, 225971, 677913, 2033739, 6101217, 18303651]

約数ペア:

[(1, 18303651), (3, 6101217), (9, 2033739), (27, 677913), (81, 225971), (89, 205659), (267, 68553), (801, 22851), (2403, 7617), (2539, 7209)]