28301559

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1783}}^1$

素因数の和:1847

約数の個数: 32

約数和(自身を含む): 45556224

約数和(自身を除く): 17254665

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1443, 1783, 5291, 5349, 15873, 19613, 23179, 58839, 65971, 69537, 197913, 254969, 725681, 764907, 857623, 2177043, 2572869, 9433853, 28301559]

約数ペア:

[(1, 28301559), (3, 9433853), (11, 2572869), (13, 2177043), (33, 857623), (37, 764907), (39, 725681), (111, 254969), (143, 197913), (407, 69537), (429, 65971), (481, 58839), (1221, 23179), (1443, 19613), (1783, 15873), (5291, 5349)]