340481645

素因数分解:

$5^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{3301}}^1$

素因数の和:3741

約数の個数: 24

約数和(自身を含む): 476557848

約数和(自身を除く): 136076203

約数列:

[1, 5, 7, 35, 49, 245, 421, 2105, 2947, 3301, 14735, 16505, 20629, 23107, 103145, 115535, 161749, 808745, 1389721, 6948605, 9728047, 48640235, 68096329, 340481645]

約数ペア:

[(1, 340481645), (5, 68096329), (7, 48640235), (35, 9728047), (49, 6948605), (245, 1389721), (421, 808745), (2105, 161749), (2947, 115535), (3301, 103145), (14735, 23107), (16505, 20629)]