30120903

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{1543}}^1$

素因数の和:1796

約数の個数: 20

約数和(自身を含む): 45211408

約数和(自身を除く): 15090505

約数列:

[1, 3, 9, 27, 81, 241, 723, 1543, 2169, 4629, 6507, 13887, 19521, 41661, 124983, 371863, 1115589, 3346767, 10040301, 30120903]

約数ペア:

[(1, 30120903), (3, 10040301), (9, 3346767), (27, 1115589), (81, 371863), (241, 124983), (723, 41661), (1543, 19521), (2169, 13887), (4629, 6507)]