81105453

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 147269304

約数和(自身を除く): 66163851

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 121, 143, 153, 187, 221, 337, 363, 429, 561, 663, 1011, 1089, 1287, 1573, 1683, 1989, 2057, 2431, 3033, 3707, 4381, 4719, 5729, 6171, 7293, 11121, 13143, 14157, 17187, 18513, 21879, 26741, 33363, 39429, 40777, 48191, 51561, 63019, 74477, 80223, 122331, 144573, 189057, 223431, 240669, 366993, 433719, 530101, 567171, 670293, 693209, 819247, 1590303, 2079627, 2457741, 4770909, 6238881, 7373223, 9011717, 27035151, 81105453]

約数ペア:

[(1, 81105453), (3, 27035151), (9, 9011717), (11, 7373223), (13, 6238881), (17, 4770909), (33, 2457741), (39, 2079627), (51, 1590303), (99, 819247), (117, 693209), (121, 670293), (143, 567171), (153, 530101), (187, 433719), (221, 366993), (337, 240669), (363, 223431), (429, 189057), (561, 144573), (663, 122331), (1011, 80223), (1089, 74477), (1287, 63019), (1573, 51561), (1683, 48191), (1989, 40777), (2057, 39429), (2431, 33363), (3033, 26741), (3707, 21879), (4381, 18513), (4719, 17187), (5729, 14157), (6171, 13143), (7293, 11121)]