13043709

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 24036480

約数和(自身を除く): 10992771

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 641, 969, 1071, 1197, 1923, 2261, 2907, 4487, 5769, 6783, 10897, 12179, 13461, 20349, 32691, 36537, 40383, 76279, 85253, 98073, 109611, 207043, 228837, 255759, 621129, 686511, 767277, 1449301, 1863387, 4347903, 13043709]

約数ペア:

[(1, 13043709), (3, 4347903), (7, 1863387), (9, 1449301), (17, 767277), (19, 686511), (21, 621129), (51, 255759), (57, 228837), (63, 207043), (119, 109611), (133, 98073), (153, 85253), (171, 76279), (323, 40383), (357, 36537), (399, 32691), (641, 20349), (969, 13461), (1071, 12179), (1197, 10897), (1923, 6783), (2261, 5769), (2907, 4487)]