13251189

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{33211}}^1$

素因数の和:33240

約数の個数: 16

約数和(自身を含む): 21255680

約数和(自身を除く): 8004491

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 33211, 99633, 232477, 631009, 697431, 1893027, 4417063, 13251189]

約数ペア:

[(1, 13251189), (3, 4417063), (7, 1893027), (19, 697431), (21, 631009), (57, 232477), (133, 99633), (399, 33211)]