81208818

素因数分解:

$2^1\times 3^4\times {\mathrm{569}}^1\times {\mathrm{881}}^1$

素因数の和:1464

約数の個数: 40

約数和(自身を含む): 182494620

約数和(自身を除く): 101285802

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 569, 881, 1138, 1707, 1762, 2643, 3414, 5121, 5286, 7929, 10242, 15363, 15858, 23787, 30726, 46089, 47574, 71361, 92178, 142722, 501289, 1002578, 1503867, 3007734, 4511601, 9023202, 13534803, 27069606, 40604409, 81208818]

約数ペア:

[(1, 81208818), (2, 40604409), (3, 27069606), (6, 13534803), (9, 9023202), (18, 4511601), (27, 3007734), (54, 1503867), (81, 1002578), (162, 501289), (569, 142722), (881, 92178), (1138, 71361), (1707, 47574), (1762, 46089), (2643, 30726), (3414, 23787), (5121, 15858), (5286, 15363), (7929, 10242)]