7156431

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{1667}}^1$

素因数の和:1732

約数の個数: 20

約数和(自身を含む): 10898712

約数和(自身を除く): 3742281

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 1667, 4293, 5001, 15003, 45009, 88351, 135027, 265053, 795159, 2385477, 7156431]

約数ペア:

[(1, 7156431), (3, 2385477), (9, 795159), (27, 265053), (53, 135027), (81, 88351), (159, 45009), (477, 15003), (1431, 5001), (1667, 4293)]