1243305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{3947}}^1$

素因数の和:3965

約数の個数: 24

約数和(自身を含む): 2463552

約数和(自身を除く): 1220247

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 3947, 11841, 19735, 27629, 35523, 59205, 82887, 138145, 177615, 248661, 414435, 1243305]

約数ペア:

[(1, 1243305), (3, 414435), (5, 248661), (7, 177615), (9, 138145), (15, 82887), (21, 59205), (35, 35523), (45, 27629), (63, 19735), (105, 11841), (315, 3947)]