208237029147

素因数分解:

$3^3\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1666843}}^1$

素因数の和:1667520

約数の個数: 32

約数和(自身を含む): 353104232960

約数和(自身を除く): 144867203813

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 661, 1983, 4627, 5949, 13881, 17847, 41643, 124929, 1666843, 5000529, 11667901, 15001587, 35003703, 45004761, 105011109, 315033327, 1101783223, 3305349669, 7712482561, 9916049007, 23137447683, 29748147021, 69412343049, 208237029147]

約数ペア:

[(1, 208237029147), (3, 69412343049), (7, 29748147021), (9, 23137447683), (21, 9916049007), (27, 7712482561), (63, 3305349669), (189, 1101783223), (661, 315033327), (1983, 105011109), (4627, 45004761), (5949, 35003703), (13881, 15001587), (17847, 11667901), (41643, 5000529), (124929, 1666843)]