16352217

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{719}}^1$

素因数の和:770

約数の個数: 36

約数和(自身を含む): 28529280

約数和(自身を除く): 12177063

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 719, 1083, 1197, 2157, 2527, 3249, 5033, 6471, 7581, 13661, 15099, 22743, 40983, 45297, 95627, 122949, 259559, 286881, 778677, 860643, 1816913, 2336031, 5450739, 16352217]

約数ペア:

[(1, 16352217), (3, 5450739), (7, 2336031), (9, 1816913), (19, 860643), (21, 778677), (57, 286881), (63, 259559), (133, 122949), (171, 95627), (361, 45297), (399, 40983), (719, 22743), (1083, 15099), (1197, 13661), (2157, 7581), (2527, 6471), (3249, 5033)]