201620457

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{1663}}^1$

素因数の和:2397

約数の個数: 24

約数和(自身を含む): 307174400

約数和(自身を除く): 105553943

約数列:

[1, 3, 9, 19, 57, 171, 709, 1663, 2127, 4989, 6381, 13471, 14967, 31597, 40413, 94791, 121239, 284373, 1179067, 3537201, 10611603, 22402273, 67206819, 201620457]

約数ペア:

[(1, 201620457), (3, 67206819), (9, 22402273), (19, 10611603), (57, 3537201), (171, 1179067), (709, 284373), (1663, 121239), (2127, 94791), (4989, 40413), (6381, 31597), (13471, 14967)]