23919309

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3253}}^1$

素因数の和:3321

約数の個数: 24

約数和(自身を含む): 37225760

約数和(自身を除く): 13306451

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 3253, 7353, 9759, 29277, 61807, 139879, 185421, 419637, 556263, 1258911, 2657701, 7973103, 23919309]

約数ペア:

[(1, 23919309), (3, 7973103), (9, 2657701), (19, 1258911), (43, 556263), (57, 419637), (129, 185421), (171, 139879), (387, 61807), (817, 29277), (2451, 9759), (3253, 7353)]