209195109

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{277}}^1\times {\mathrm{337}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 315719040

約数和(自身を除く): 106523931

約数列:

[1, 3, 9, 27, 83, 249, 277, 337, 747, 831, 1011, 2241, 2493, 3033, 7479, 9099, 22991, 27971, 68973, 83913, 93349, 206919, 251739, 280047, 620757, 755217, 840141, 2520423, 7747967, 23243901, 69731703, 209195109]

約数ペア:

[(1, 209195109), (3, 69731703), (9, 23243901), (27, 7747967), (83, 2520423), (249, 840141), (277, 755217), (337, 620757), (747, 280047), (831, 251739), (1011, 206919), (2241, 93349), (2493, 83913), (3033, 68973), (7479, 27971), (9099, 22991)]