71456175

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{71}}^2$

素因数の和:171

約数の個数: 90

約数和(自身を含む): 153430904

約数和(自身を除く): 81974729

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 71, 75, 81, 105, 135, 175, 189, 213, 225, 315, 355, 405, 497, 525, 567, 639, 675, 945, 1065, 1491, 1575, 1775, 1917, 2025, 2485, 2835, 3195, 4473, 4725, 5041, 5325, 5751, 7455, 9585, 12425, 13419, 14175, 15123, 15975, 22365, 25205, 28755, 35287, 37275, 40257, 45369, 47925, 67095, 75615, 105861, 111825, 126025, 136107, 143775, 176435, 201285, 226845, 317583, 335475, 378075, 408321, 529305, 680535, 882175, 952749, 1006425, 1134225, 1587915, 2041605, 2646525, 2858247, 3402675, 4763745, 7939575, 10208025, 14291235, 23818725, 71456175]

約数ペア:

[(1, 71456175), (3, 23818725), (5, 14291235), (7, 10208025), (9, 7939575), (15, 4763745), (21, 3402675), (25, 2858247), (27, 2646525), (35, 2041605), (45, 1587915), (63, 1134225), (71, 1006425), (75, 952749), (81, 882175), (105, 680535), (135, 529305), (175, 408321), (189, 378075), (213, 335475), (225, 317583), (315, 226845), (355, 201285), (405, 176435), (497, 143775), (525, 136107), (567, 126025), (639, 111825), (675, 105861), (945, 75615), (1065, 67095), (1491, 47925), (1575, 45369), (1775, 40257), (1917, 37275), (2025, 35287), (2485, 28755), (2835, 25205), (3195, 22365), (4473, 15975), (4725, 15123), (5041, 14175), (5325, 13419), (5751, 12425), (7455, 9585)]