142521393

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157831}}^1$

素因数の和:157884

約数の個数: 16

約数和(自身を含む): 222227456

約数和(自身を除く): 79706063

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 157831, 473493, 1104817, 3314451, 6786733, 20360199, 47507131, 142521393]

約数ペア:

[(1, 142521393), (3, 47507131), (7, 20360199), (21, 6786733), (43, 3314451), (129, 1104817), (301, 473493), (903, 157831)]