2943241

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 3564288

約数和(自身を除く): 621047

約数列:

[1, 7, 23, 101, 161, 181, 707, 1267, 2323, 4163, 16261, 18281, 29141, 127967, 420463, 2943241]

約数ペア:

[(1, 2943241), (7, 420463), (23, 127967), (101, 29141), (161, 18281), (181, 16261), (707, 4163), (1267, 2323)]