290640315

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{395429}}^1$

素因数の和:395451

約数の個数: 24

約数和(自身を含む): 540948240

約数和(自身を除く): 250307925

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 395429, 1186287, 1977145, 2768003, 5931435, 8304009, 13840015, 19376021, 41520045, 58128063, 96880105, 290640315]

約数ペア:

[(1, 290640315), (3, 96880105), (5, 58128063), (7, 41520045), (15, 19376021), (21, 13840015), (35, 8304009), (49, 5931435), (105, 2768003), (147, 1977145), (245, 1186287), (735, 395429)]