80782623

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 136512000

約数和(自身を除く): 55729377

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 59, 153, 157, 171, 177, 323, 459, 471, 513, 531, 969, 1003, 1121, 1413, 1593, 2669, 2907, 2983, 3009, 3363, 4239, 8007, 8721, 8949, 9027, 9263, 10089, 19057, 24021, 26847, 27081, 27789, 30267, 50711, 57171, 72063, 80541, 83367, 152133, 157471, 171513, 175997, 250101, 456399, 472413, 514539, 527991, 1369197, 1417239, 1583973, 2991949, 4251717, 4751919, 8975847, 26927541, 80782623]

約数ペア:

[(1, 80782623), (3, 26927541), (9, 8975847), (17, 4751919), (19, 4251717), (27, 2991949), (51, 1583973), (57, 1417239), (59, 1369197), (153, 527991), (157, 514539), (171, 472413), (177, 456399), (323, 250101), (459, 175997), (471, 171513), (513, 157471), (531, 152133), (969, 83367), (1003, 80541), (1121, 72063), (1413, 57171), (1593, 50711), (2669, 30267), (2907, 27789), (2983, 27081), (3009, 26847), (3363, 24021), (4239, 19057), (8007, 10089), (8721, 9263), (8949, 9027)]