27388221

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{42071}}^1$

素因数の和:42112

約数の個数: 16

約数和(自身を含む): 43081728

約数和(自身を除く): 15693507

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 42071, 126213, 294497, 883491, 1304201, 3912603, 9129407, 27388221]

約数ペア:

[(1, 27388221), (3, 9129407), (7, 3912603), (21, 1304201), (31, 883491), (93, 294497), (217, 126213), (651, 42071)]