280017855

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3769}}^1$

素因数の和:3920

約数の個数: 48

約数和(自身を含む): 526955520

約数和(自身を除く): 246937665

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 127, 195, 381, 585, 635, 1143, 1651, 1905, 3769, 4953, 5715, 8255, 11307, 14859, 18845, 24765, 33921, 48997, 56535, 74295, 146991, 169605, 244985, 440973, 478663, 734955, 1435989, 2204865, 2393315, 4307967, 6222619, 7179945, 18667857, 21539835, 31113095, 56003571, 93339285, 280017855]

約数ペア:

[(1, 280017855), (3, 93339285), (5, 56003571), (9, 31113095), (13, 21539835), (15, 18667857), (39, 7179945), (45, 6222619), (65, 4307967), (117, 2393315), (127, 2204865), (195, 1435989), (381, 734955), (585, 478663), (635, 440973), (1143, 244985), (1651, 169605), (1905, 146991), (3769, 74295), (4953, 56535), (5715, 48997), (8255, 33921), (11307, 24765), (14859, 18845)]