13457871

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11243}}^1$

素因数の和:11275

約数の個数: 24

約数和(自身を含む): 23387520

約数和(自身を除く): 9929649

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 11243, 33729, 78701, 101187, 213617, 236103, 640851, 708309, 1495319, 1922553, 4485957, 13457871]

約数ペア:

[(1, 13457871), (3, 4485957), (7, 1922553), (9, 1495319), (19, 708309), (21, 640851), (57, 236103), (63, 213617), (133, 101187), (171, 78701), (399, 33729), (1197, 11243)]