1815804513

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{616991}}^1$

素因数の和:617109

約数の個数: 16

約数和(自身を含む): 2714764800

約数和(自身を除く): 898960287

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 616991, 1850973, 5552919, 16658757, 67252019, 201756057, 605268171, 1815804513]

約数ペア:

[(1, 1815804513), (3, 605268171), (9, 201756057), (27, 67252019), (109, 16658757), (327, 5552919), (981, 1850973), (2943, 616991)]