131157

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:97

約数の個数: 24

約数和(自身を含む): 218400

約数和(自身を除く): 87243

約数列:

[1, 3, 9, 13, 19, 39, 57, 59, 117, 171, 177, 247, 531, 741, 767, 1121, 2223, 2301, 3363, 6903, 10089, 14573, 43719, 131157]

約数ペア:

[(1, 131157), (3, 43719), (9, 14573), (13, 10089), (19, 6903), (39, 3363), (57, 2301), (59, 2223), (117, 1121), (171, 767), (177, 741), (247, 531)]