289876071681

素因数分解:

$3^3\times 7^1\times {\mathrm{20047}}^1\times {\mathrm{76507}}^1$

素因数の和:96570

約数の個数: 32

約数和(自身を含む): 490826362880

約数和(自身を除く): 200950291199

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 20047, 60141, 76507, 140329, 180423, 229521, 420987, 535549, 541269, 688563, 1262961, 1606647, 2065689, 3788883, 4819941, 14459823, 1533735829, 4601207487, 10736150803, 13803622461, 32208452409, 41410867383, 96625357227, 289876071681]

約数ペア:

[(1, 289876071681), (3, 96625357227), (7, 41410867383), (9, 32208452409), (21, 13803622461), (27, 10736150803), (63, 4601207487), (189, 1533735829), (20047, 14459823), (60141, 4819941), (76507, 3788883), (140329, 2065689), (180423, 1606647), (229521, 1262961), (420987, 688563), (535549, 541269)]