13540863

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{33937}}^1$

素因数の和:33966

約数の個数: 16

約数和(自身を含む): 21720320

約数和(自身を除く): 8179457

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 33937, 101811, 237559, 644803, 712677, 1934409, 4513621, 13540863]

約数ペア:

[(1, 13540863), (3, 4513621), (7, 1934409), (19, 712677), (21, 644803), (57, 237559), (133, 101811), (399, 33937)]