28837305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2129}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 58481280

約数和(自身を除く): 29643975

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 2129, 2709, 4515, 6387, 10645, 13545, 14903, 19161, 31935, 44709, 74515, 91547, 95805, 134127, 223545, 274641, 457735, 640829, 670635, 823923, 1373205, 1922487, 3204145, 4119615, 5767461, 9612435, 28837305]

約数ペア:

[(1, 28837305), (3, 9612435), (5, 5767461), (7, 4119615), (9, 3204145), (15, 1922487), (21, 1373205), (35, 823923), (43, 670635), (45, 640829), (63, 457735), (105, 274641), (129, 223545), (215, 134127), (301, 95805), (315, 91547), (387, 74515), (645, 44709), (903, 31935), (1505, 19161), (1935, 14903), (2129, 13545), (2709, 10645), (4515, 6387)]