242028081

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{13163}}^1$

素因数の和:13402

約数の個数: 20

約数和(自身を含む): 363168432

約数和(自身を除く): 121140351

約数列:

[1, 3, 9, 27, 81, 227, 681, 2043, 6129, 13163, 18387, 39489, 118467, 355401, 1066203, 2988001, 8964003, 26892009, 80676027, 242028081]

約数ペア:

[(1, 242028081), (3, 80676027), (9, 26892009), (27, 8964003), (81, 2988001), (227, 1066203), (681, 355401), (2043, 118467), (6129, 39489), (13163, 18387)]