28712565

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{91151}}^1$

素因数の和:91169

約数の個数: 24

約数和(自身を含む): 56878848

約数和(自身を除く): 28166283

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 91151, 273453, 455755, 638057, 820359, 1367265, 1914171, 3190285, 4101795, 5742513, 9570855, 28712565]

約数ペア:

[(1, 28712565), (3, 9570855), (5, 5742513), (7, 4101795), (9, 3190285), (15, 1914171), (21, 1367265), (35, 820359), (45, 638057), (63, 455755), (105, 273453), (315, 91151)]