28800105

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 48921600

約数和(自身を除く): 20121495

約数列:

[1, 3, 5, 15, 19, 57, 95, 139, 285, 417, 695, 727, 2085, 2181, 2641, 3635, 7923, 10905, 13205, 13813, 39615, 41439, 69065, 101053, 207195, 303159, 505265, 1515795, 1920007, 5760021, 9600035, 28800105]

約数ペア:

[(1, 28800105), (3, 9600035), (5, 5760021), (15, 1920007), (19, 1515795), (57, 505265), (95, 303159), (139, 207195), (285, 101053), (417, 69065), (695, 41439), (727, 39615), (2085, 13813), (2181, 13205), (2641, 10905), (3635, 7923)]