201638889

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{31511}}^1$

素因数の和:31602

約数の個数: 20

約数和(自身を含む): 305036160

約数和(自身を除く): 103397271

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 31511, 94533, 283599, 850797, 2489369, 2552391, 7468107, 22404321, 67212963, 201638889]

約数ペア:

[(1, 201638889), (3, 67212963), (9, 22404321), (27, 7468107), (79, 2552391), (81, 2489369), (237, 850797), (711, 283599), (2133, 94533), (6399, 31511)]