28311591

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{122561}}^1$

素因数の和:122582

約数の個数: 16

約数和(自身を含む): 47063808

約数和(自身を除く): 18752217

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 122561, 367683, 857927, 1348171, 2573781, 4044513, 9437197, 28311591]

約数ペア:

[(1, 28311591), (3, 9437197), (7, 4044513), (11, 2573781), (21, 1348171), (33, 857927), (77, 367683), (231, 122561)]