78990597

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 140564736

約数和(自身を除く): 61574139

約数列:

[1, 3, 7, 9, 21, 37, 47, 49, 63, 103, 111, 141, 147, 259, 309, 329, 333, 423, 441, 721, 777, 927, 987, 1739, 1813, 2163, 2303, 2331, 2961, 3811, 4841, 5047, 5217, 5439, 6489, 6909, 11433, 12173, 14523, 15141, 15651, 16317, 20727, 26677, 33887, 34299, 36519, 43569, 45423, 80031, 85211, 101661, 109557, 179117, 186739, 237209, 240093, 255633, 304983, 537351, 560217, 711627, 766899, 1253819, 1612053, 1680651, 2134881, 3761457, 8776733, 11284371, 26330199, 78990597]

約数ペア:

[(1, 78990597), (3, 26330199), (7, 11284371), (9, 8776733), (21, 3761457), (37, 2134881), (47, 1680651), (49, 1612053), (63, 1253819), (103, 766899), (111, 711627), (141, 560217), (147, 537351), (259, 304983), (309, 255633), (329, 240093), (333, 237209), (423, 186739), (441, 179117), (721, 109557), (777, 101661), (927, 85211), (987, 80031), (1739, 45423), (1813, 43569), (2163, 36519), (2303, 34299), (2331, 33887), (2961, 26677), (3811, 20727), (4841, 16317), (5047, 15651), (5217, 15141), (5439, 14523), (6489, 12173), (6909, 11433)]