780949701

素因数分解:

$3^3\times 7^2\times {\mathrm{277}}^1\times {\mathrm{2131}}^1$

素因数の和:2431

約数の個数: 48

約数和(自身を含む): 1351346880

約数和(自身を除く): 570397179

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 277, 441, 831, 1323, 1939, 2131, 2493, 5817, 6393, 7479, 13573, 14917, 17451, 19179, 40719, 44751, 52353, 57537, 104419, 122157, 134253, 313257, 366471, 402759, 590287, 939771, 1770861, 2819313, 4132009, 5312583, 12396027, 15937749, 28924063, 37188081, 86772189, 111564243, 260316567, 780949701]

約数ペア:

[(1, 780949701), (3, 260316567), (7, 111564243), (9, 86772189), (21, 37188081), (27, 28924063), (49, 15937749), (63, 12396027), (147, 5312583), (189, 4132009), (277, 2819313), (441, 1770861), (831, 939771), (1323, 590287), (1939, 402759), (2131, 366471), (2493, 313257), (5817, 134253), (6393, 122157), (7479, 104419), (13573, 57537), (14917, 52353), (17451, 44751), (19179, 40719)]