214651521

素因数分解:

$3^2\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{3089}}^1$

素因数の和:4205

約数の個数: 24

約数和(自身を含む): 354781440

約数和(自身を除く): 140129919

約数列:

[1, 3, 7, 9, 21, 63, 1103, 3089, 3309, 7721, 9267, 9927, 21623, 23163, 27801, 64869, 69489, 194607, 3407167, 10221501, 23850169, 30664503, 71550507, 214651521]

約数ペア:

[(1, 214651521), (3, 71550507), (7, 30664503), (9, 23850169), (21, 10221501), (63, 3407167), (1103, 194607), (3089, 69489), (3309, 64869), (7721, 27801), (9267, 23163), (9927, 21623)]