217068513

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{21683}}^1$

素因数の和:21804

約数の個数: 16

約数和(自身を含む): 299759616

約数和(自身を除く): 82691103

約数列:

[1, 3, 47, 71, 141, 213, 3337, 10011, 21683, 65049, 1019101, 1539493, 3057303, 4618479, 72356171, 217068513]

約数ペア:

[(1, 217068513), (3, 72356171), (47, 4618479), (71, 3057303), (141, 1539493), (213, 1019101), (3337, 65049), (10011, 21683)]