20961477

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{6113}}^1$

素因数の和:6249

約数の個数: 16

約数和(自身を含む): 31303680

約数和(自身を除く): 10342203

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 6113, 18339, 55017, 165051, 776351, 2329053, 6987159, 20961477]

約数ペア:

[(1, 20961477), (3, 6987159), (9, 2329053), (27, 776351), (127, 165051), (381, 55017), (1143, 18339), (3429, 6113)]