28173069

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{149}}^2$

素因数の和:354

約数の個数: 24

約数和(自身を含む): 42913920

約数和(自身を除く): 14740851

約数列:

[1, 3, 9, 27, 47, 141, 149, 423, 447, 1269, 1341, 4023, 7003, 21009, 22201, 63027, 66603, 189081, 199809, 599427, 1043447, 3130341, 9391023, 28173069]

約数ペア:

[(1, 28173069), (3, 9391023), (9, 3130341), (27, 1043447), (47, 599427), (141, 199809), (149, 189081), (423, 66603), (447, 63027), (1269, 22201), (1341, 21009), (4023, 7003)]