28856877

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2333}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 47800320

約数和(自身を除く): 18943443

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 2333, 4123, 6999, 12369, 16331, 44327, 48993, 72323, 132981, 216969, 310289, 506261, 930867, 1374137, 1518783, 4122411, 9618959, 28856877]

約数ペア:

[(1, 28856877), (3, 9618959), (7, 4122411), (19, 1518783), (21, 1374137), (31, 930867), (57, 506261), (93, 310289), (133, 216969), (217, 132981), (399, 72323), (589, 48993), (651, 44327), (1767, 16331), (2333, 12369), (4123, 6999)]