205375911

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{20023}}^1$

素因数の和:20302

約数の個数: 16

約数和(自身を含む): 296034816

約数和(自身を除く): 90658905

約数列:

[1, 3, 13, 39, 263, 789, 3419, 10257, 20023, 60069, 260299, 780897, 5266049, 15798147, 68458637, 205375911]

約数ペア:

[(1, 205375911), (3, 68458637), (13, 15798147), (39, 5266049), (263, 780897), (789, 260299), (3419, 60069), (10257, 20023)]