217001521

素因数分解:

${\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 246486240

約数和(自身を除く): 29484719

約数列:

[1, 11, 43, 121, 179, 233, 473, 1969, 2563, 5203, 7697, 10019, 21659, 28193, 41707, 84667, 110209, 458777, 931337, 1212299, 1793401, 5046547, 19727411, 217001521]

約数ペア:

[(1, 217001521), (11, 19727411), (43, 5046547), (121, 1793401), (179, 1212299), (233, 931337), (473, 458777), (1969, 110209), (2563, 84667), (5203, 41707), (7697, 28193), (10019, 21659)]