209993091

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{909061}}^1$

素因数の和:909082

約数の個数: 16

約数和(自身を含む): 349079808

約数和(自身を除く): 139086717

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 909061, 2727183, 6363427, 9999671, 19090281, 29999013, 69997697, 209993091]

約数ペア:

[(1, 209993091), (3, 69997697), (7, 29999013), (11, 19090281), (21, 9999671), (33, 6363427), (77, 2727183), (231, 909061)]