31085265

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{877}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 53101440

約数和(自身を除く): 22016175

約数列:

[1, 3, 5, 15, 17, 51, 85, 139, 255, 417, 695, 877, 2085, 2363, 2631, 4385, 7089, 11815, 13155, 14909, 35445, 44727, 74545, 121903, 223635, 365709, 609515, 1828545, 2072351, 6217053, 10361755, 31085265]

約数ペア:

[(1, 31085265), (3, 10361755), (5, 6217053), (15, 2072351), (17, 1828545), (51, 609515), (85, 365709), (139, 223635), (255, 121903), (417, 74545), (695, 44727), (877, 35445), (2085, 14909), (2363, 13155), (2631, 11815), (4385, 7089)]