3999177

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 7512960

約数和(自身を除く): 3513783

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 257, 273, 399, 741, 771, 819, 1197, 1729, 1799, 2223, 2313, 3341, 4883, 5187, 5397, 10023, 14649, 15561, 16191, 23387, 30069, 34181, 43947, 63479, 70161, 102543, 190437, 210483, 307629, 444353, 571311, 1333059, 3999177]

約数ペア:

[(1, 3999177), (3, 1333059), (7, 571311), (9, 444353), (13, 307629), (19, 210483), (21, 190437), (39, 102543), (57, 70161), (63, 63479), (91, 43947), (117, 34181), (133, 30069), (171, 23387), (247, 16191), (257, 15561), (273, 14649), (399, 10023), (741, 5397), (771, 5187), (819, 4883), (1197, 3341), (1729, 2313), (1799, 2223)]