12545775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 25359984

約数和(自身を除く): 12814209

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 37, 45, 55, 75, 99, 111, 137, 165, 185, 225, 275, 333, 407, 411, 495, 555, 685, 825, 925, 1221, 1233, 1507, 1665, 2035, 2055, 2475, 2775, 3425, 3663, 4521, 5069, 6105, 6165, 7535, 8325, 10175, 10275, 13563, 15207, 18315, 22605, 25345, 30525, 30825, 37675, 45621, 55759, 67815, 76035, 91575, 113025, 126725, 167277, 228105, 278795, 339075, 380175, 501831, 836385, 1140525, 1393975, 2509155, 4181925, 12545775]

約数ペア:

[(1, 12545775), (3, 4181925), (5, 2509155), (9, 1393975), (11, 1140525), (15, 836385), (25, 501831), (33, 380175), (37, 339075), (45, 278795), (55, 228105), (75, 167277), (99, 126725), (111, 113025), (137, 91575), (165, 76035), (185, 67815), (225, 55759), (275, 45621), (333, 37675), (407, 30825), (411, 30525), (495, 25345), (555, 22605), (685, 18315), (825, 15207), (925, 13563), (1221, 10275), (1233, 10175), (1507, 8325), (1665, 7535), (2035, 6165), (2055, 6105), (2475, 5069), (2775, 4521), (3425, 3663)]