55577025

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{71}}^2$

素因数の和:172

約数の個数: 81

約数和(自身を含む): 117450723

約数和(自身を除く): 61873698

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 71, 75, 105, 147, 175, 213, 225, 245, 315, 355, 441, 497, 525, 639, 735, 1065, 1225, 1491, 1575, 1775, 2205, 2485, 3195, 3479, 3675, 4473, 5041, 5325, 7455, 10437, 11025, 12425, 15123, 15975, 17395, 22365, 25205, 31311, 35287, 37275, 45369, 52185, 75615, 86975, 105861, 111825, 126025, 156555, 176435, 226845, 247009, 260925, 317583, 378075, 529305, 741027, 782775, 882175, 1134225, 1235045, 1587915, 2223081, 2646525, 3705135, 6175225, 7939575, 11115405, 18525675, 55577025]

約数ペア:

[(1, 55577025), (3, 18525675), (5, 11115405), (7, 7939575), (9, 6175225), (15, 3705135), (21, 2646525), (25, 2223081), (35, 1587915), (45, 1235045), (49, 1134225), (63, 882175), (71, 782775), (75, 741027), (105, 529305), (147, 378075), (175, 317583), (213, 260925), (225, 247009), (245, 226845), (315, 176435), (355, 156555), (441, 126025), (497, 111825), (525, 105861), (639, 86975), (735, 75615), (1065, 52185), (1225, 45369), (1491, 37275), (1575, 35287), (1775, 31311), (2205, 25205), (2485, 22365), (3195, 17395), (3479, 15975), (3675, 15123), (4473, 12425), (5041, 11025), (5325, 10437)]