81310705

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{49429}}^1$

素因数の和:49488

約数の個数: 16

約数和(自身を含む): 113886720

約数和(自身を除く): 32576015

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 49429, 247145, 346003, 1730015, 2323163, 11615815, 16262141, 81310705]

約数ペア:

[(1, 81310705), (5, 16262141), (7, 11615815), (35, 2323163), (47, 1730015), (235, 346003), (329, 247145), (1645, 49429)]