42943275

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 82985760

約数和(自身を除く): 40042485

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 103, 109, 153, 225, 255, 309, 327, 425, 515, 545, 765, 927, 981, 1275, 1545, 1635, 1751, 1853, 2575, 2725, 3825, 4635, 4905, 5253, 5559, 7725, 8175, 8755, 9265, 11227, 15759, 16677, 23175, 24525, 26265, 27795, 33681, 43775, 46325, 56135, 78795, 83385, 101043, 131325, 138975, 168405, 190859, 280675, 393975, 416925, 505215, 572577, 842025, 954295, 1717731, 2526075, 2862885, 4771475, 8588655, 14314425, 42943275]

約数ペア:

[(1, 42943275), (3, 14314425), (5, 8588655), (9, 4771475), (15, 2862885), (17, 2526075), (25, 1717731), (45, 954295), (51, 842025), (75, 572577), (85, 505215), (103, 416925), (109, 393975), (153, 280675), (225, 190859), (255, 168405), (309, 138975), (327, 131325), (425, 101043), (515, 83385), (545, 78795), (765, 56135), (927, 46325), (981, 43775), (1275, 33681), (1545, 27795), (1635, 26265), (1751, 24525), (1853, 23175), (2575, 16677), (2725, 15759), (3825, 11227), (4635, 9265), (4905, 8755), (5253, 8175), (5559, 7725)]