2698245

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 64

約数和(自身を含む): 5529600

約数和(自身を除く): 2831355

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 69, 79, 99, 115, 135, 165, 207, 237, 253, 297, 345, 395, 495, 621, 711, 759, 869, 1035, 1185, 1265, 1485, 1817, 2133, 2277, 2607, 3105, 3555, 3795, 4345, 5451, 6831, 7821, 9085, 10665, 11385, 13035, 16353, 19987, 23463, 27255, 34155, 39105, 49059, 59961, 81765, 99935, 117315, 179883, 245295, 299805, 539649, 899415, 2698245]

約数ペア:

[(1, 2698245), (3, 899415), (5, 539649), (9, 299805), (11, 245295), (15, 179883), (23, 117315), (27, 99935), (33, 81765), (45, 59961), (55, 49059), (69, 39105), (79, 34155), (99, 27255), (115, 23463), (135, 19987), (165, 16353), (207, 13035), (237, 11385), (253, 10665), (297, 9085), (345, 7821), (395, 6831), (495, 5451), (621, 4345), (711, 3795), (759, 3555), (869, 3105), (1035, 2607), (1185, 2277), (1265, 2133), (1485, 1817)]