2887227

素因数分解:

$3^2\times 7^2\times {\mathrm{6547}}^1$

素因数の和:6567

約数の個数: 18

約数和(自身を含む): 4852068

約数和(自身を除く): 1964841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6547, 19641, 45829, 58923, 137487, 320803, 412461, 962409, 2887227]

約数ペア:

[(1, 2887227), (3, 962409), (7, 412461), (9, 320803), (21, 137487), (49, 58923), (63, 45829), (147, 19641), (441, 6547)]