2080001

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 2807136

約数和(自身を除く): 727135

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 227, 539, 833, 1309, 1589, 2497, 3859, 9163, 11123, 17479, 27013, 42449, 122353, 189091, 297143, 2080001]

約数ペア:

[(1, 2080001), (7, 297143), (11, 189091), (17, 122353), (49, 42449), (77, 27013), (119, 17479), (187, 11123), (227, 9163), (539, 3859), (833, 2497), (1309, 1589)]