164097009

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{7703}}^1$

素因数の和:7978

約数の個数: 20

約数和(自身を含む): 246096576

約数和(自身を除く): 81999567

約数列:

[1, 3, 9, 27, 81, 263, 789, 2367, 7101, 7703, 21303, 23109, 69327, 207981, 623943, 2025889, 6077667, 18233001, 54699003, 164097009]

約数ペア:

[(1, 164097009), (3, 54699003), (9, 18233001), (27, 6077667), (81, 2025889), (263, 623943), (789, 207981), (2367, 69327), (7101, 23109), (7703, 21303)]