2987155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 3841344

約数和(自身を除く): 854189

約数列:

[1, 5, 17, 85, 113, 311, 565, 1555, 1921, 5287, 9605, 26435, 35143, 175715, 597431, 2987155]

約数ペア:

[(1, 2987155), (5, 597431), (17, 175715), (85, 35143), (113, 26435), (311, 9605), (565, 5287), (1555, 1921)]