28402017

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10169}}^1$

素因数の和:10205

約数の個数: 24

約数和(自身を含む): 46375200

約数和(自身を除く): 17973183

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 10169, 30507, 71183, 193211, 213549, 498281, 579633, 1352477, 1494843, 4057431, 9467339, 28402017]

約数ペア:

[(1, 28402017), (3, 9467339), (7, 4057431), (19, 1494843), (21, 1352477), (49, 579633), (57, 498281), (133, 213549), (147, 193211), (399, 71183), (931, 30507), (2793, 10169)]