2120965

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{787}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 3233952

約数和(自身を除く): 1112987

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 787, 2695, 3935, 5509, 8657, 27545, 38563, 43285, 60599, 192815, 302995, 424193, 2120965]

約数ペア:

[(1, 2120965), (5, 424193), (7, 302995), (11, 192815), (35, 60599), (49, 43285), (55, 38563), (77, 27545), (245, 8657), (385, 5509), (539, 3935), (787, 2695)]