81047857

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 99844164

約数和(自身を除く): 18796307

約数列:

[1, 11, 17, 31, 41, 121, 187, 341, 451, 527, 697, 961, 1271, 2057, 3751, 4961, 5797, 7667, 10571, 13981, 16337, 21607, 39401, 63767, 84337, 116281, 153791, 179707, 237677, 433411, 669817, 1976777, 2614447, 4767521, 7367987, 81047857]

約数ペア:

[(1, 81047857), (11, 7367987), (17, 4767521), (31, 2614447), (41, 1976777), (121, 669817), (187, 433411), (341, 237677), (451, 179707), (527, 153791), (697, 116281), (961, 84337), (1271, 63767), (2057, 39401), (3751, 21607), (4961, 16337), (5797, 13981), (7667, 10571)]