218999871

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{941}}^1\times {\mathrm{1361}}^1$

素因数の和:2327

約数の個数: 24

約数和(自身を含む): 333581040

約数和(自身を除く): 114581169

約数列:

[1, 3, 9, 19, 57, 171, 941, 1361, 2823, 4083, 8469, 12249, 17879, 25859, 53637, 77577, 160911, 232731, 1280701, 3842103, 11526309, 24333319, 72999957, 218999871]

約数ペア:

[(1, 218999871), (3, 72999957), (9, 24333319), (19, 11526309), (57, 3842103), (171, 1280701), (941, 232731), (1361, 160911), (2823, 77577), (4083, 53637), (8469, 25859), (12249, 17879)]