221550315

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{301429}}^1$

素因数の和:301451

約数の個数: 24

約数和(自身を含む): 412356240

約数和(自身を除く): 190805925

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 301429, 904287, 1507145, 2110003, 4521435, 6330009, 10550015, 14770021, 31650045, 44310063, 73850105, 221550315]

約数ペア:

[(1, 221550315), (3, 73850105), (5, 44310063), (7, 31650045), (15, 14770021), (21, 10550015), (35, 6330009), (49, 4521435), (105, 2110003), (147, 1507145), (245, 904287), (735, 301429)]