2740905

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 4953600

約数和(自身を除く): 2212695

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 257, 395, 711, 771, 1185, 1285, 2133, 2313, 3555, 3855, 6939, 10665, 11565, 20303, 34695, 60909, 101515, 182727, 304545, 548181, 913635, 2740905]

約数ペア:

[(1, 2740905), (3, 913635), (5, 548181), (9, 304545), (15, 182727), (27, 101515), (45, 60909), (79, 34695), (135, 20303), (237, 11565), (257, 10665), (395, 6939), (711, 3855), (771, 3555), (1185, 2313), (1285, 2133)]