641574

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^2$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 1438920

約数和(自身を除く): 797346

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 5886, 11881, 23762, 35643, 71286, 106929, 213858, 320787, 641574]

約数ペア:

[(1, 641574), (2, 320787), (3, 213858), (6, 106929), (9, 71286), (18, 35643), (27, 23762), (54, 11881), (109, 5886), (218, 2943), (327, 1962), (654, 981)]