81403973

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{2543}}^1$

素因数の和:2836

約数の個数: 16

約数和(自身を含む): 98910720

約数和(自身を除く): 17506747

約数列:

[1, 7, 17, 119, 269, 1883, 2543, 4573, 17801, 32011, 43231, 302617, 684067, 4788469, 11629139, 81403973]

約数ペア:

[(1, 81403973), (7, 11629139), (17, 4788469), (119, 684067), (269, 302617), (1883, 43231), (2543, 32011), (4573, 17801)]