28519755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1361}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 50208768

約数和(自身を除く): 21689013

約数列:

[1, 3, 5, 11, 15, 33, 55, 127, 165, 381, 635, 1361, 1397, 1905, 4083, 4191, 6805, 6985, 14971, 20415, 20955, 44913, 74855, 172847, 224565, 518541, 864235, 1901317, 2592705, 5703951, 9506585, 28519755]

約数ペア:

[(1, 28519755), (3, 9506585), (5, 5703951), (11, 2592705), (15, 1901317), (33, 864235), (55, 518541), (127, 224565), (165, 172847), (381, 74855), (635, 44913), (1361, 20955), (1397, 20415), (1905, 14971), (4083, 6985), (4191, 6805)]