65408775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 120532464

約数和(自身を除く): 55123689

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 61, 75, 85, 87, 145, 183, 255, 305, 425, 435, 493, 725, 841, 915, 1037, 1275, 1479, 1525, 1769, 2175, 2465, 2523, 3111, 4205, 4575, 5185, 5307, 7395, 8845, 12325, 12615, 14297, 15555, 21025, 25925, 26535, 30073, 36975, 42891, 44225, 51301, 63075, 71485, 77775, 90219, 132675, 150365, 153903, 214455, 256505, 357425, 451095, 751825, 769515, 872117, 1072275, 1282525, 2255475, 2616351, 3847575, 4360585, 13081755, 21802925, 65408775]

約数ペア:

[(1, 65408775), (3, 21802925), (5, 13081755), (15, 4360585), (17, 3847575), (25, 2616351), (29, 2255475), (51, 1282525), (61, 1072275), (75, 872117), (85, 769515), (87, 751825), (145, 451095), (183, 357425), (255, 256505), (305, 214455), (425, 153903), (435, 150365), (493, 132675), (725, 90219), (841, 77775), (915, 71485), (1037, 63075), (1275, 51301), (1479, 44225), (1525, 42891), (1769, 36975), (2175, 30073), (2465, 26535), (2523, 25925), (3111, 21025), (4205, 15555), (4575, 14297), (5185, 12615), (5307, 12325), (7395, 8845)]