28818573

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72227}}^1$

素因数の和:72256

約数の個数: 16

約数和(自身を含む): 46225920

約数和(自身を除く): 17407347

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 72227, 216681, 505589, 1372313, 1516767, 4116939, 9606191, 28818573]

約数ペア:

[(1, 28818573), (3, 9606191), (7, 4116939), (19, 1516767), (21, 1372313), (57, 505589), (133, 216681), (399, 72227)]