71028981

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{3863}}^1$

素因数の和:4102

約数の個数: 20

約数和(自身を含む): 106600032

約数和(自身を除く): 35571051

約数列:

[1, 3, 9, 27, 81, 227, 681, 2043, 3863, 6129, 11589, 18387, 34767, 104301, 312903, 876901, 2630703, 7892109, 23676327, 71028981]

約数ペア:

[(1, 71028981), (3, 23676327), (9, 7892109), (27, 2630703), (81, 876901), (227, 312903), (681, 104301), (2043, 34767), (3863, 18387), (6129, 11589)]