31821471

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 51744000

約数和(自身を除く): 19922529

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 307, 349, 921, 1047, 2763, 3141, 3377, 3839, 8289, 9423, 10131, 11517, 30393, 34551, 91179, 103653, 107143, 321429, 964287, 1178573, 2892861, 3535719, 10607157, 31821471]

約数ペア:

[(1, 31821471), (3, 10607157), (9, 3535719), (11, 2892861), (27, 1178573), (33, 964287), (99, 321429), (297, 107143), (307, 103653), (349, 91179), (921, 34551), (1047, 30393), (2763, 11517), (3141, 10131), (3377, 9423), (3839, 8289)]