390438981

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{132667}}^1$

素因数の和:132785

約数の個数: 16

約数和(自身を含む): 583739200

約数和(自身を除く): 193300219

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 132667, 398001, 1194003, 3582009, 14460703, 43382109, 130146327, 390438981]

約数ペア:

[(1, 390438981), (3, 130146327), (9, 43382109), (27, 14460703), (109, 3582009), (327, 1194003), (981, 398001), (2943, 132667)]