28090797

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3061}}^1$

素因数の和:3113

約数の個数: 32

約数和(自身を含む): 47032320

約数和(自身を除く): 18941523

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 3059, 3061, 9177, 9183, 21427, 58159, 64281, 70403, 174477, 211209, 407113, 492821, 1221339, 1337657, 1478463, 4012971, 9363599, 28090797]

約数ペア:

[(1, 28090797), (3, 9363599), (7, 4012971), (19, 1478463), (21, 1337657), (23, 1221339), (57, 492821), (69, 407113), (133, 211209), (161, 174477), (399, 70403), (437, 64281), (483, 58159), (1311, 21427), (3059, 9183), (3061, 9177)]