28836129

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72271}}^1$

素因数の和:72300

約数の個数: 16

約数和(自身を含む): 46254080

約数和(自身を除く): 17417951

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 72271, 216813, 505897, 1373149, 1517691, 4119447, 9612043, 28836129]

約数ペア:

[(1, 28836129), (3, 9612043), (7, 4119447), (19, 1517691), (21, 1373149), (57, 505897), (133, 216813), (399, 72271)]