66687891

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 94731840

約数和(自身を除く): 28043949

約数列:

[1, 3, 19, 57, 139, 361, 417, 443, 1083, 1329, 2641, 7923, 8417, 25251, 50179, 61577, 150537, 159923, 184731, 479769, 1169963, 3509889, 22229297, 66687891]

約数ペア:

[(1, 66687891), (3, 22229297), (19, 3509889), (57, 1169963), (139, 479769), (361, 184731), (417, 159923), (443, 150537), (1083, 61577), (1329, 50179), (2641, 25251), (7923, 8417)]