13720023

素因数分解:

$3^5\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 20756736

約数和(自身を除く): 7036713

約数列:

[1, 3, 9, 27, 81, 131, 243, 393, 431, 1179, 1293, 3537, 3879, 10611, 11637, 31833, 34911, 56461, 104733, 169383, 508149, 1524447, 4573341, 13720023]

約数ペア:

[(1, 13720023), (3, 4573341), (9, 1524447), (27, 508149), (81, 169383), (131, 104733), (243, 56461), (393, 34911), (431, 31833), (1179, 11637), (1293, 10611), (3537, 3879)]