2180709

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{4751}}^1$

素因数の和:4777

約数の個数: 16

約数和(自身を含む): 3421440

約数和(自身を除く): 1240731

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 4751, 14253, 42759, 80767, 128277, 242301, 726903, 2180709]

約数ペア:

[(1, 2180709), (3, 726903), (9, 242301), (17, 128277), (27, 80767), (51, 42759), (153, 14253), (459, 4751)]