30780321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 48628608

約数和(自身を除く): 17848287

約数列:

[1, 3, 11, 13, 33, 39, 143, 157, 429, 457, 471, 1371, 1727, 2041, 5027, 5181, 5941, 6123, 15081, 17823, 22451, 65351, 67353, 71749, 196053, 215247, 789239, 932737, 2367717, 2798211, 10260107, 30780321]

約数ペア:

[(1, 30780321), (3, 10260107), (11, 2798211), (13, 2367717), (33, 932737), (39, 789239), (143, 215247), (157, 196053), (429, 71749), (457, 67353), (471, 65351), (1371, 22451), (1727, 17823), (2041, 15081), (5027, 6123), (5181, 5941)]