12391407

素因数分解:

$3^3\times 7^1\times {\mathrm{65563}}^1$

素因数の和:65579

約数の個数: 16

約数和(自身を含む): 20980480

約数和(自身を除く): 8589073

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 65563, 196689, 458941, 590067, 1376823, 1770201, 4130469, 12391407]

約数ペア:

[(1, 12391407), (3, 4130469), (7, 1770201), (9, 1376823), (21, 590067), (27, 458941), (63, 196689), (189, 65563)]