153313209

素因数分解:

$3^3\times 7^2\times {\mathrm{115883}}^1$

素因数の和:115906

約数の個数: 24

約数和(自身を含む): 264215520

約数和(自身を除く): 110902311

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 115883, 347649, 811181, 1042947, 2433543, 3128841, 5678267, 7300629, 17034801, 21901887, 51104403, 153313209]

約数ペア:

[(1, 153313209), (3, 51104403), (7, 21901887), (9, 17034801), (21, 7300629), (27, 5678267), (49, 3128841), (63, 2433543), (147, 1042947), (189, 811181), (441, 347649), (1323, 115883)]