81396525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{683}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 154704384

約数和(自身を除く): 73307859

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 227, 525, 681, 683, 1135, 1589, 2049, 3405, 3415, 4767, 4781, 5675, 7945, 10245, 14343, 17025, 17075, 23835, 23905, 39725, 51225, 71715, 119175, 119525, 155041, 358575, 465123, 775205, 1085287, 2325615, 3255861, 3876025, 5426435, 11628075, 16279305, 27132175, 81396525]

約数ペア:

[(1, 81396525), (3, 27132175), (5, 16279305), (7, 11628075), (15, 5426435), (21, 3876025), (25, 3255861), (35, 2325615), (75, 1085287), (105, 775205), (175, 465123), (227, 358575), (525, 155041), (681, 119525), (683, 119175), (1135, 71715), (1589, 51225), (2049, 39725), (3405, 23905), (3415, 23835), (4767, 17075), (4781, 17025), (5675, 14343), (7945, 10245)]