2178798411

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1\times {\mathrm{433}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 3007807488

約数和(自身を除く): 829009077

約数列:

[1, 3, 47, 127, 141, 281, 381, 433, 843, 1299, 5969, 13207, 17907, 20351, 35687, 39621, 54991, 61053, 107061, 121673, 164973, 365019, 1677289, 2584577, 5031867, 5718631, 7753731, 15452471, 17155893, 46357413, 726266137, 2178798411]

約数ペア:

[(1, 2178798411), (3, 726266137), (47, 46357413), (127, 17155893), (141, 15452471), (281, 7753731), (381, 5718631), (433, 5031867), (843, 2584577), (1299, 1677289), (5969, 365019), (13207, 164973), (17907, 121673), (20351, 107061), (35687, 61053), (39621, 54991)]