13231239

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{33161}}^1$

素因数の和:33190

約数の個数: 16

約数和(自身を含む): 21223680

約数和(自身を除く): 7992441

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 33161, 99483, 232127, 630059, 696381, 1890177, 4410413, 13231239]

約数ペア:

[(1, 13231239), (3, 4410413), (7, 1890177), (19, 696381), (21, 630059), (57, 232127), (133, 99483), (399, 33161)]