1028265

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{1399}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 1915200

約数和(自身を除く): 886935

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 1399, 4197, 6995, 9793, 20985, 29379, 48965, 68551, 146895, 205653, 342755, 1028265]

約数ペア:

[(1, 1028265), (3, 342755), (5, 205653), (7, 146895), (15, 68551), (21, 48965), (35, 29379), (49, 20985), (105, 9793), (147, 6995), (245, 4197), (735, 1399)]