81416775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 157489920

約数和(自身を除く): 76073145

約数列:

[1, 3, 5, 11, 15, 25, 29, 33, 41, 55, 75, 83, 87, 123, 145, 165, 205, 249, 275, 319, 415, 435, 451, 615, 725, 825, 913, 957, 1025, 1189, 1245, 1353, 1595, 2075, 2175, 2255, 2407, 2739, 3075, 3403, 3567, 4565, 4785, 5945, 6225, 6765, 7221, 7975, 10209, 11275, 12035, 13079, 13695, 17015, 17835, 22825, 23925, 26477, 29725, 33825, 36105, 37433, 39237, 51045, 60175, 65395, 68475, 79431, 85075, 89175, 98687, 112299, 132385, 180525, 187165, 196185, 255225, 296061, 326975, 397155, 493435, 561495, 661925, 935825, 980925, 1085557, 1480305, 1985775, 2467175, 2807475, 3256671, 5427785, 7401525, 16283355, 27138925, 81416775]

約数ペア:

[(1, 81416775), (3, 27138925), (5, 16283355), (11, 7401525), (15, 5427785), (25, 3256671), (29, 2807475), (33, 2467175), (41, 1985775), (55, 1480305), (75, 1085557), (83, 980925), (87, 935825), (123, 661925), (145, 561495), (165, 493435), (205, 397155), (249, 326975), (275, 296061), (319, 255225), (415, 196185), (435, 187165), (451, 180525), (615, 132385), (725, 112299), (825, 98687), (913, 89175), (957, 85075), (1025, 79431), (1189, 68475), (1245, 65395), (1353, 60175), (1595, 51045), (2075, 39237), (2175, 37433), (2255, 36105), (2407, 33825), (2739, 29725), (3075, 26477), (3403, 23925), (3567, 22825), (4565, 17835), (4785, 17015), (5945, 13695), (6225, 13079), (6765, 12035), (7221, 11275), (7975, 10209)]