211319217

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{330703}}^1$

素因数の和:330780

約数の個数: 12

約数和(自身を含む): 309538944

約数和(自身を除く): 98219727

約数列:

[1, 3, 9, 71, 213, 639, 330703, 992109, 2976327, 23479913, 70439739, 211319217]

約数ペア:

[(1, 211319217), (3, 70439739), (9, 23479913), (71, 2976327), (213, 992109), (639, 330703)]