991567269

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{75307}}^1$

素因数の和:75350

約数の個数: 48

約数和(自身を含む): 1879687680

約数和(自身を除く): 888120411

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1881, 4389, 13167, 75307, 225921, 527149, 677763, 828377, 1430833, 1581447, 2485131, 4292499, 4744341, 5798639, 7455393, 10015831, 12877497, 15739163, 17395917, 30047493, 47217489, 52187751, 90142479, 110174141, 141652467, 330522423, 991567269]

約数ペア:

[(1, 991567269), (3, 330522423), (7, 141652467), (9, 110174141), (11, 90142479), (19, 52187751), (21, 47217489), (33, 30047493), (57, 17395917), (63, 15739163), (77, 12877497), (99, 10015831), (133, 7455393), (171, 5798639), (209, 4744341), (231, 4292499), (399, 2485131), (627, 1581447), (693, 1430833), (1197, 828377), (1463, 677763), (1881, 527149), (4389, 225921), (13167, 75307)]