3980392983

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{889871}}^1$

素因数の和:889955

約数の個数: 24

約数和(自身を含む): 6663361536

約数和(自身を除く): 2682968553

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 889871, 2669613, 6229097, 8008839, 18687291, 56061873, 63180841, 189542523, 442265887, 568627569, 1326797661, 3980392983]

約数ペア:

[(1, 3980392983), (3, 1326797661), (7, 568627569), (9, 442265887), (21, 189542523), (63, 63180841), (71, 56061873), (213, 18687291), (497, 8008839), (639, 6229097), (1491, 2669613), (4473, 889871)]