2008191

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:270

約数の個数: 16

約数和(自身を含む): 2772224

約数和(自身を除く): 764033

約数列:

[1, 3, 67, 97, 103, 201, 291, 309, 6499, 6901, 9991, 19497, 20703, 29973, 669397, 2008191]

約数ペア:

[(1, 2008191), (3, 669397), (67, 29973), (97, 20703), (103, 19497), (201, 9991), (291, 6901), (309, 6499)]