208996983

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{1069}}^1$

素因数の和:1648

約数の個数: 32

約数和(自身を含む): 334353600

約数和(自身を除く): 125356617

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 557, 1069, 1671, 3207, 5013, 7241, 9621, 13897, 15039, 21723, 28863, 41691, 65169, 125073, 195507, 375219, 595433, 1786299, 5358897, 7740629, 16076691, 23221887, 69665661, 208996983]

約数ペア:

[(1, 208996983), (3, 69665661), (9, 23221887), (13, 16076691), (27, 7740629), (39, 5358897), (117, 1786299), (351, 595433), (557, 375219), (1069, 195507), (1671, 125073), (3207, 65169), (5013, 41691), (7241, 28863), (9621, 21723), (13897, 15039)]