13721097

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18517}}^1$

素因数の和:18552

約数の個数: 16

約数和(自身を含む): 20740160

約数和(自身を除く): 7019063

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 18517, 55551, 240721, 351823, 722163, 1055469, 4573699, 13721097]

約数ペア:

[(1, 13721097), (3, 4573699), (13, 1055469), (19, 722163), (39, 351823), (57, 240721), (247, 55551), (741, 18517)]