2768661

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:295

約数の個数: 40

約数和(自身を含む): 4994880

約数和(自身を除く): 2226219

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 257, 399, 513, 567, 771, 1197, 1539, 1799, 2313, 3591, 4883, 5397, 6939, 10773, 14649, 16191, 20817, 34181, 43947, 48573, 102543, 131841, 145719, 307629, 395523, 922887, 2768661]

約数ペア:

[(1, 2768661), (3, 922887), (7, 395523), (9, 307629), (19, 145719), (21, 131841), (27, 102543), (57, 48573), (63, 43947), (81, 34181), (133, 20817), (171, 16191), (189, 14649), (257, 10773), (399, 6939), (513, 5397), (567, 4883), (771, 3591), (1197, 2313), (1539, 1799)]