12904275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 23436000

約数和(自身を除く): 10531725

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 349, 425, 435, 493, 725, 1047, 1275, 1479, 1745, 2175, 2465, 5235, 5933, 7395, 8725, 10121, 12325, 17799, 26175, 29665, 30363, 36975, 50605, 88995, 148325, 151815, 172057, 253025, 444975, 516171, 759075, 860285, 2580855, 4301425, 12904275]

約数ペア:

[(1, 12904275), (3, 4301425), (5, 2580855), (15, 860285), (17, 759075), (25, 516171), (29, 444975), (51, 253025), (75, 172057), (85, 151815), (87, 148325), (145, 88995), (255, 50605), (349, 36975), (425, 30363), (435, 29665), (493, 26175), (725, 17799), (1047, 12325), (1275, 10121), (1479, 8725), (1745, 7395), (2175, 5933), (2465, 5235)]