15187305

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{20663}}^1$

素因数の和:20685

約数の個数: 24

約数和(自身を含む): 28268352

約数和(自身を除く): 13081047

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 20663, 61989, 103315, 144641, 309945, 433923, 723205, 1012487, 2169615, 3037461, 5062435, 15187305]

約数ペア:

[(1, 15187305), (3, 5062435), (5, 3037461), (7, 2169615), (15, 1012487), (21, 723205), (35, 433923), (49, 309945), (105, 144641), (147, 103315), (245, 61989), (735, 20663)]