864189

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:286

約数の個数: 20

約数和(自身を含む): 1324224

約数和(自身を除く): 460035

約数列:

[1, 3, 9, 27, 47, 81, 141, 227, 423, 681, 1269, 2043, 3807, 6129, 10669, 18387, 32007, 96021, 288063, 864189]

約数ペア:

[(1, 864189), (3, 288063), (9, 96021), (27, 32007), (47, 18387), (81, 10669), (141, 6129), (227, 3807), (423, 2043), (681, 1269)]