19681431

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{85201}}^1$

素因数の和:85222

約数の個数: 16

約数和(自身を含む): 32717568

約数和(自身を除く): 13036137

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 85201, 255603, 596407, 937211, 1789221, 2811633, 6560477, 19681431]

約数ペア:

[(1, 19681431), (3, 6560477), (7, 2811633), (11, 1789221), (21, 937211), (33, 596407), (77, 255603), (231, 85201)]