13721591

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 15788640

約数和(自身を除く): 2067049

約数列:

[1, 13, 19, 73, 247, 761, 949, 1387, 9893, 14459, 18031, 55553, 187967, 722189, 1055507, 13721591]

約数ペア:

[(1, 13721591), (13, 1055507), (19, 722189), (73, 187967), (247, 55553), (761, 18031), (949, 14459), (1387, 9893)]