210908979

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{330061}}^1$

素因数の和:330138

約数の個数: 12

約数和(自身を含む): 308938032

約数和(自身を除く): 98029053

約数列:

[1, 3, 9, 71, 213, 639, 330061, 990183, 2970549, 23434331, 70302993, 210908979]

約数ペア:

[(1, 210908979), (3, 70302993), (9, 23434331), (71, 2970549), (213, 990183), (639, 330061)]