71106987

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{3637}}^1$

素因数の和:3680

約数の個数: 32

約数和(自身を含む): 116416000

約数和(自身を除く): 45309013

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2793, 3637, 6517, 10911, 19551, 25459, 69103, 76377, 178213, 207309, 483721, 534639, 1247491, 1451163, 3386047, 3742473, 10158141, 23702329, 71106987]

約数ペア:

[(1, 71106987), (3, 23702329), (7, 10158141), (19, 3742473), (21, 3386047), (49, 1451163), (57, 1247491), (133, 534639), (147, 483721), (343, 207309), (399, 178213), (931, 76377), (1029, 69103), (2793, 25459), (3637, 19551), (6517, 10911)]