81568197

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{2083}}^1$

素因数の和:2337

約数の個数: 24

約数和(自身を含む): 124623200

約数和(自身を除く): 43055003

約数列:

[1, 3, 9, 19, 57, 171, 229, 687, 2061, 2083, 4351, 6249, 13053, 18747, 39159, 39577, 118731, 356193, 477007, 1431021, 4293063, 9063133, 27189399, 81568197]

約数ペア:

[(1, 81568197), (3, 27189399), (9, 9063133), (19, 4293063), (57, 1431021), (171, 477007), (229, 356193), (687, 118731), (2061, 39577), (2083, 39159), (4351, 18747), (6249, 13053)]