2017819821861

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{1009}}^1\times {\mathrm{3129611}}^1$

素因数の和:3130697

約数の個数: 24

約数和(自身を含む): 2958610000320

約数和(自身を除く): 940790178459

約数列:

[1, 3, 9, 71, 213, 639, 1009, 3027, 9081, 71639, 214917, 644751, 3129611, 9388833, 28166499, 222202381, 666607143, 1999821429, 3157777499, 9473332497, 28419997491, 224202202429, 672606607287, 2017819821861]

約数ペア:

[(1, 2017819821861), (3, 672606607287), (9, 224202202429), (71, 28419997491), (213, 9473332497), (639, 3157777499), (1009, 1999821429), (3027, 666607143), (9081, 222202381), (71639, 28166499), (214917, 9388833), (644751, 3129611)]