20187054981

素因数分解:

$3^4\times {\mathrm{249222901}}^1$

素因数の和:249222913

約数の個数: 10

約数和(自身を含む): 30155971142

約数和(自身を除く): 9968916161

約数列:

[1, 3, 9, 27, 81, 249222901, 747668703, 2243006109, 6729018327, 20187054981]

約数ペア:

[(1, 20187054981), (3, 6729018327), (9, 2243006109), (27, 747668703), (81, 249222901)]