208068705

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1987}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 390761280

約数和(自身を除く): 182692575

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 179, 195, 537, 585, 895, 1611, 1987, 2327, 2685, 5961, 6981, 8055, 9935, 11635, 17883, 20943, 25831, 29805, 34905, 77493, 89415, 104715, 129155, 232479, 355673, 387465, 1067019, 1162395, 1778365, 3201057, 4623749, 5335095, 13871247, 16005285, 23118745, 41613741, 69356235, 208068705]

約数ペア:

[(1, 208068705), (3, 69356235), (5, 41613741), (9, 23118745), (13, 16005285), (15, 13871247), (39, 5335095), (45, 4623749), (65, 3201057), (117, 1778365), (179, 1162395), (195, 1067019), (537, 387465), (585, 355673), (895, 232479), (1611, 129155), (1987, 104715), (2327, 89415), (2685, 77493), (5961, 34905), (6981, 29805), (8055, 25831), (9935, 20943), (11635, 17883)]