171898909

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2029}}^1$

素因数の和:2082

約数の個数: 32

約数和(自身を含む): 227360000

約数和(自身を除く): 55461091

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 343, 637, 931, 1729, 2029, 4459, 6517, 12103, 14203, 26377, 38551, 84721, 99421, 184639, 269857, 501163, 695947, 1292473, 1888999, 3508141, 9047311, 13222993, 24556987, 171898909]

約数ペア:

[(1, 171898909), (7, 24556987), (13, 13222993), (19, 9047311), (49, 3508141), (91, 1888999), (133, 1292473), (247, 695947), (343, 501163), (637, 269857), (931, 184639), (1729, 99421), (2029, 84721), (4459, 38551), (6517, 26377), (12103, 14203)]