28931091

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2399

約数の個数: 32

約数和(自身を含む): 47923200

約数和(自身を除く): 18992109

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 2339, 4123, 7017, 12369, 16373, 44441, 49119, 72509, 133323, 217527, 311087, 507563, 933261, 1377671, 1522689, 4133013, 9643697, 28931091]

約数ペア:

[(1, 28931091), (3, 9643697), (7, 4133013), (19, 1522689), (21, 1377671), (31, 933261), (57, 507563), (93, 311087), (133, 217527), (217, 133323), (399, 72509), (589, 49119), (651, 44441), (1767, 16373), (2339, 12369), (4123, 7017)]