12972141

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 23622144

約数和(自身を除く): 10650003

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 63, 91, 117, 141, 273, 329, 337, 423, 611, 819, 987, 1011, 1833, 2359, 2961, 3033, 4277, 4381, 5499, 7077, 12831, 13143, 15839, 21231, 30667, 38493, 39429, 47517, 92001, 110873, 142551, 205907, 276003, 332619, 617721, 997857, 1441349, 1853163, 4324047, 12972141]

約数ペア:

[(1, 12972141), (3, 4324047), (7, 1853163), (9, 1441349), (13, 997857), (21, 617721), (39, 332619), (47, 276003), (63, 205907), (91, 142551), (117, 110873), (141, 92001), (273, 47517), (329, 39429), (337, 38493), (423, 30667), (611, 21231), (819, 15839), (987, 13143), (1011, 12831), (1833, 7077), (2359, 5499), (2961, 4381), (3033, 4277)]