689035761

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{911}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 1035302400

約数和(自身を除く): 346266639

約数列:

[1, 3, 9, 27, 109, 257, 327, 771, 911, 981, 2313, 2733, 2943, 6939, 8199, 24597, 28013, 84039, 99299, 234127, 252117, 297897, 702381, 756351, 893691, 2107143, 2681073, 6321429, 25519843, 76559529, 229678587, 689035761]

約数ペア:

[(1, 689035761), (3, 229678587), (9, 76559529), (27, 25519843), (109, 6321429), (257, 2681073), (327, 2107143), (771, 893691), (911, 756351), (981, 702381), (2313, 297897), (2733, 252117), (2943, 234127), (6939, 99299), (8199, 84039), (24597, 28013)]