289301925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 534340800

約数和(自身を除く): 245038875

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 71, 75, 121, 165, 213, 275, 355, 363, 449, 605, 781, 825, 1065, 1347, 1775, 1815, 2245, 2343, 3025, 3905, 4939, 5325, 6735, 8591, 9075, 11225, 11715, 14817, 19525, 24695, 25773, 31879, 33675, 42955, 54329, 58575, 74085, 95637, 123475, 128865, 159395, 162987, 214775, 271645, 350669, 370425, 478185, 644325, 796975, 814935, 1052007, 1358225, 1753345, 2390925, 3857359, 4074675, 5260035, 8766725, 11572077, 19286795, 26300175, 57860385, 96433975, 289301925]

約数ペア:

[(1, 289301925), (3, 96433975), (5, 57860385), (11, 26300175), (15, 19286795), (25, 11572077), (33, 8766725), (55, 5260035), (71, 4074675), (75, 3857359), (121, 2390925), (165, 1753345), (213, 1358225), (275, 1052007), (355, 814935), (363, 796975), (449, 644325), (605, 478185), (781, 370425), (825, 350669), (1065, 271645), (1347, 214775), (1775, 162987), (1815, 159395), (2245, 128865), (2343, 123475), (3025, 95637), (3905, 74085), (4939, 58575), (5325, 54329), (6735, 42955), (8591, 33675), (9075, 31879), (11225, 25773), (11715, 24695), (14817, 19525)]