305809595

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1531}}^1$

素因数の和:1995

約数の個数: 32

約数和(自身を含む): 452981760

約数和(自身を除く): 147172165

約数列:

[1, 5, 7, 13, 35, 65, 91, 439, 455, 1531, 2195, 3073, 5707, 7655, 10717, 15365, 19903, 28535, 39949, 53585, 99515, 139321, 199745, 672109, 696605, 3360545, 4704763, 8737417, 23523815, 43687085, 61161919, 305809595]

約数ペア:

[(1, 305809595), (5, 61161919), (7, 43687085), (13, 23523815), (35, 8737417), (65, 4704763), (91, 3360545), (439, 696605), (455, 672109), (1531, 199745), (2195, 139321), (3073, 99515), (5707, 53585), (7655, 39949), (10717, 28535), (15365, 19903)]