28974183

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72617}}^1$

素因数の和:72646

約数の個数: 16

約数和(自身を含む): 46475520

約数和(自身を除く): 17501337

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 72617, 217851, 508319, 1379723, 1524957, 4139169, 9658061, 28974183]

約数ペア:

[(1, 28974183), (3, 9658061), (7, 4139169), (19, 1524957), (21, 1379723), (57, 508319), (133, 217851), (399, 72617)]