78580761

素因数分解:

$3^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{1307}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 122271840

約数和(自身を除く): 43691079

約数列:

[1, 3, 7, 21, 49, 147, 409, 1227, 1307, 2863, 3921, 8589, 9149, 20041, 27447, 60123, 64043, 192129, 534563, 1603689, 3741941, 11225823, 26193587, 78580761]

約数ペア:

[(1, 78580761), (3, 26193587), (7, 11225823), (21, 3741941), (49, 1603689), (147, 534563), (409, 192129), (1227, 64043), (1307, 60123), (2863, 27447), (3921, 20041), (8589, 9149)]