12791601

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2090

約数の個数: 20

約数和(自身を含む): 19360000

約数和(自身を除く): 6568399

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 1999, 2133, 5997, 6399, 17991, 53973, 157921, 161919, 473763, 1421289, 4263867, 12791601]

約数ペア:

[(1, 12791601), (3, 4263867), (9, 1421289), (27, 473763), (79, 161919), (81, 157921), (237, 53973), (711, 17991), (1999, 6399), (2133, 5997)]