2021521779

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{423001}}^1$

素因数の和:423072

約数の個数: 20

約数和(自身を含む): 3070994520

約数和(自身を除く): 1049472741

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 423001, 1269003, 3807009, 11421027, 24957059, 34263081, 74871177, 224613531, 673840593, 2021521779]

約数ペア:

[(1, 2021521779), (3, 673840593), (9, 224613531), (27, 74871177), (59, 34263081), (81, 24957059), (177, 11421027), (531, 3807009), (1593, 1269003), (4779, 423001)]