2017462221

素因数分解:

$3^4\times {\mathrm{2969}}^1\times {\mathrm{8389}}^1$

素因数の和:11370

約数の個数: 20

約数和(自身を含む): 3015114300

約数和(自身を除く): 997652079

約数列:

[1, 3, 9, 27, 81, 2969, 8389, 8907, 25167, 26721, 75501, 80163, 226503, 240489, 679509, 24906941, 74720823, 224162469, 672487407, 2017462221]

約数ペア:

[(1, 2017462221), (3, 672487407), (9, 224162469), (27, 74720823), (81, 24906941), (2969, 679509), (8389, 240489), (8907, 226503), (25167, 80163), (26721, 75501)]