161567469

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{73}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 291370560

約数和(自身を除く): 129803091

約数列:

[1, 3, 7, 9, 19, 21, 43, 57, 63, 73, 129, 133, 171, 219, 301, 387, 399, 511, 657, 817, 903, 1197, 1387, 1533, 1849, 2451, 2709, 3139, 4161, 4599, 5547, 5719, 7353, 9417, 9709, 12483, 12943, 16641, 17157, 21973, 28251, 29127, 35131, 38829, 51471, 59641, 65919, 87381, 105393, 116487, 134977, 178923, 197757, 245917, 316179, 404931, 417487, 536769, 737751, 944839, 1214793, 1252461, 2213253, 2564563, 2834517, 3757383, 7693689, 8503551, 17951941, 23081067, 53855823, 161567469]

約数ペア:

[(1, 161567469), (3, 53855823), (7, 23081067), (9, 17951941), (19, 8503551), (21, 7693689), (43, 3757383), (57, 2834517), (63, 2564563), (73, 2213253), (129, 1252461), (133, 1214793), (171, 944839), (219, 737751), (301, 536769), (387, 417487), (399, 404931), (511, 316179), (657, 245917), (817, 197757), (903, 178923), (1197, 134977), (1387, 116487), (1533, 105393), (1849, 87381), (2451, 65919), (2709, 59641), (3139, 51471), (4161, 38829), (4599, 35131), (5547, 29127), (5719, 28251), (7353, 21973), (9417, 17157), (9709, 16641), (12483, 12943)]