13213683

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:141

約数の個数: 54

約数和(自身を含む): 23714964

約数和(自身を除く): 10501281

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 83, 133, 147, 171, 249, 361, 399, 441, 581, 747, 931, 1083, 1197, 1577, 1743, 2527, 2793, 3249, 4067, 4731, 5229, 7581, 8379, 11039, 12201, 14193, 17689, 22743, 29963, 33117, 36603, 53067, 77273, 89889, 99351, 159201, 209741, 231819, 269667, 629223, 695457, 1468187, 1887669, 4404561, 13213683]

約数ペア:

[(1, 13213683), (3, 4404561), (7, 1887669), (9, 1468187), (19, 695457), (21, 629223), (49, 269667), (57, 231819), (63, 209741), (83, 159201), (133, 99351), (147, 89889), (171, 77273), (249, 53067), (361, 36603), (399, 33117), (441, 29963), (581, 22743), (747, 17689), (931, 14193), (1083, 12201), (1197, 11039), (1577, 8379), (1743, 7581), (2527, 5229), (2793, 4731), (3249, 4067)]