217492065

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16057}}^1$

素因数の和:16118

約数の個数: 48

約数和(自身を含む): 440888448

約数和(自身を除く): 223396383

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 2709, 4515, 13545, 16057, 48171, 80285, 112399, 144513, 240855, 337197, 561995, 690451, 722565, 1011591, 1685985, 2071353, 3452255, 4833157, 5057955, 6214059, 10356765, 14499471, 24165785, 31070295, 43498413, 72497355, 217492065]

約数ペア:

[(1, 217492065), (3, 72497355), (5, 43498413), (7, 31070295), (9, 24165785), (15, 14499471), (21, 10356765), (35, 6214059), (43, 5057955), (45, 4833157), (63, 3452255), (105, 2071353), (129, 1685985), (215, 1011591), (301, 722565), (315, 690451), (387, 561995), (645, 337197), (903, 240855), (1505, 144513), (1935, 112399), (2709, 80285), (4515, 48171), (13545, 16057)]