77771475

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^2\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 72

約数和(自身を含む): 149045520

約数和(自身を除く): 71274045

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 137, 145, 225, 261, 411, 435, 675, 685, 725, 783, 841, 1233, 1305, 2055, 2175, 2523, 3425, 3699, 3915, 3973, 4205, 6165, 6525, 7569, 10275, 11919, 12615, 18495, 19575, 19865, 21025, 22707, 30825, 35757, 37845, 59595, 63075, 92475, 99325, 107271, 113535, 115217, 178785, 189225, 297975, 345651, 536355, 567675, 576085, 893925, 1036953, 1728255, 2681775, 2880425, 3110859, 5184765, 8641275, 15554295, 25923825, 77771475]

約数ペア:

[(1, 77771475), (3, 25923825), (5, 15554295), (9, 8641275), (15, 5184765), (25, 3110859), (27, 2880425), (29, 2681775), (45, 1728255), (75, 1036953), (87, 893925), (135, 576085), (137, 567675), (145, 536355), (225, 345651), (261, 297975), (411, 189225), (435, 178785), (675, 115217), (685, 113535), (725, 107271), (783, 99325), (841, 92475), (1233, 63075), (1305, 59595), (2055, 37845), (2175, 35757), (2523, 30825), (3425, 22707), (3699, 21025), (3915, 19865), (3973, 19575), (4205, 18495), (6165, 12615), (6525, 11919), (7569, 10275)]