80625825

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 108

約数和(自身を含む): 172006848

約数和(自身を除く): 91381023

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 71, 75, 103, 105, 147, 175, 213, 225, 245, 309, 315, 355, 441, 497, 515, 525, 639, 721, 735, 927, 1065, 1225, 1491, 1545, 1575, 1775, 2163, 2205, 2485, 2575, 3195, 3479, 3605, 3675, 4473, 4635, 5047, 5325, 6489, 7313, 7455, 7725, 10437, 10815, 11025, 12425, 15141, 15975, 17395, 18025, 21939, 22365, 23175, 25235, 31311, 32445, 36565, 37275, 45423, 51191, 52185, 54075, 65817, 75705, 86975, 109695, 111825, 126175, 153573, 156555, 162225, 182825, 227115, 255955, 260925, 329085, 358337, 378525, 460719, 548475, 767865, 782775, 1075011, 1135575, 1279775, 1645425, 1791685, 2303595, 3225033, 3839325, 5375055, 8958425, 11517975, 16125165, 26875275, 80625825]

約数ペア:

[(1, 80625825), (3, 26875275), (5, 16125165), (7, 11517975), (9, 8958425), (15, 5375055), (21, 3839325), (25, 3225033), (35, 2303595), (45, 1791685), (49, 1645425), (63, 1279775), (71, 1135575), (75, 1075011), (103, 782775), (105, 767865), (147, 548475), (175, 460719), (213, 378525), (225, 358337), (245, 329085), (309, 260925), (315, 255955), (355, 227115), (441, 182825), (497, 162225), (515, 156555), (525, 153573), (639, 126175), (721, 111825), (735, 109695), (927, 86975), (1065, 75705), (1225, 65817), (1491, 54075), (1545, 52185), (1575, 51191), (1775, 45423), (2163, 37275), (2205, 36565), (2485, 32445), (2575, 31311), (3195, 25235), (3479, 23175), (3605, 22365), (3675, 21939), (4473, 18025), (4635, 17395), (5047, 15975), (5325, 15141), (6489, 12425), (7313, 11025), (7455, 10815), (7725, 10437)]