20172649707

素因数分解:

$3^2\times 7^1\times {\mathrm{7561}}^1\times {\mathrm{42349}}^1$

素因数の和:49923

約数の個数: 24

約数和(自身を含む): 33306072800

約数和(自身を除く): 13133423093

約数列:

[1, 3, 7, 9, 21, 63, 7561, 22683, 42349, 52927, 68049, 127047, 158781, 296443, 381141, 476343, 889329, 2667987, 320200789, 960602367, 2241405523, 2881807101, 6724216569, 20172649707]

約数ペア:

[(1, 20172649707), (3, 6724216569), (7, 2881807101), (9, 2241405523), (21, 960602367), (63, 320200789), (7561, 2667987), (22683, 889329), (42349, 476343), (52927, 381141), (68049, 296443), (127047, 158781)]