81278769

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4621}}^1$

素因数の和:4689

約数の個数: 32

約数和(自身を含む): 130451328

約数和(自身を除く): 49172559

約数列:

[1, 3, 11, 13, 33, 39, 41, 123, 143, 429, 451, 533, 1353, 1599, 4621, 5863, 13863, 17589, 50831, 60073, 152493, 180219, 189461, 568383, 660803, 1982409, 2084071, 2462993, 6252213, 7388979, 27092923, 81278769]

約数ペア:

[(1, 81278769), (3, 27092923), (11, 7388979), (13, 6252213), (33, 2462993), (39, 2084071), (41, 1982409), (123, 660803), (143, 568383), (429, 189461), (451, 180219), (533, 152493), (1353, 60073), (1599, 50831), (4621, 17589), (5863, 13863)]