217760121

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{9721}}^1$

素因数の和:9877

約数の個数: 24

約数和(自身を含む): 333659040

約数和(自身を除く): 115898919

約数列:

[1, 3, 9, 19, 57, 131, 171, 393, 1179, 2489, 7467, 9721, 22401, 29163, 87489, 184699, 554097, 1273451, 1662291, 3820353, 11461059, 24195569, 72586707, 217760121]

約数ペア:

[(1, 217760121), (3, 72586707), (9, 24195569), (19, 11461059), (57, 3820353), (131, 1662291), (171, 1273451), (393, 554097), (1179, 184699), (2489, 87489), (7467, 29163), (9721, 22401)]