26981901

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 40120704

約数和(自身を除く): 13138803

約数列:

[1, 3, 9, 47, 141, 227, 281, 423, 681, 843, 2043, 2529, 10669, 13207, 32007, 39621, 63787, 96021, 118863, 191361, 574083, 2997989, 8993967, 26981901]

約数ペア:

[(1, 26981901), (3, 8993967), (9, 2997989), (47, 574083), (141, 191361), (227, 118863), (281, 96021), (423, 63787), (681, 39621), (843, 32007), (2043, 13207), (2529, 10669)]