208787961

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1\times {\mathrm{2687}}^1$

素因数の和:3188

約数の個数: 16

約数和(自身を含む): 283852800

約数和(自身を除く): 75064839

約数列:

[1, 3, 59, 177, 439, 1317, 2687, 8061, 25901, 77703, 158533, 475599, 1179593, 3538779, 69595987, 208787961]

約数ペア:

[(1, 208787961), (3, 69595987), (59, 3538779), (177, 1179593), (439, 475599), (1317, 158533), (2687, 77703), (8061, 25901)]