9971667

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:720

約数の個数: 20

約数和(自身を含む): 14981736

約数和(自身を除く): 5010069

約数列:

[1, 3, 9, 27, 81, 307, 401, 921, 1203, 2763, 3609, 8289, 10827, 24867, 32481, 123107, 369321, 1107963, 3323889, 9971667]

約数ペア:

[(1, 9971667), (3, 3323889), (9, 1107963), (27, 369321), (81, 123107), (307, 32481), (401, 24867), (921, 10827), (1203, 8289), (2763, 3609)]