80420769

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 144897984

約数和(自身を除く): 64477215

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 53, 81, 99, 117, 131, 143, 159, 297, 351, 393, 429, 477, 583, 689, 891, 1053, 1179, 1287, 1431, 1441, 1703, 1749, 2067, 3537, 3861, 4293, 4323, 5109, 5247, 6201, 6943, 7579, 10611, 11583, 12969, 15327, 15741, 18603, 18733, 20829, 22737, 38907, 45981, 47223, 55809, 56199, 62487, 68211, 76373, 90259, 116721, 137943, 168597, 187461, 204633, 229119, 270777, 505791, 562383, 613899, 687357, 812331, 992849, 1517373, 2062071, 2436993, 2978547, 6186213, 7310979, 8935641, 26806923, 80420769]

約数ペア:

[(1, 80420769), (3, 26806923), (9, 8935641), (11, 7310979), (13, 6186213), (27, 2978547), (33, 2436993), (39, 2062071), (53, 1517373), (81, 992849), (99, 812331), (117, 687357), (131, 613899), (143, 562383), (159, 505791), (297, 270777), (351, 229119), (393, 204633), (429, 187461), (477, 168597), (583, 137943), (689, 116721), (891, 90259), (1053, 76373), (1179, 68211), (1287, 62487), (1431, 56199), (1441, 55809), (1703, 47223), (1749, 45981), (2067, 38907), (3537, 22737), (3861, 20829), (4293, 18733), (4323, 18603), (5109, 15741), (5247, 15327), (6201, 12969), (6943, 11583), (7579, 10611)]