9780393

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10831}}^1$

素因数の和:10884

約数の個数: 16

約数和(自身を含む): 15251456

約数和(自身を除く): 5471063

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 10831, 32493, 75817, 227451, 465733, 1397199, 3260131, 9780393]

約数ペア:

[(1, 9780393), (3, 3260131), (7, 1397199), (21, 465733), (43, 227451), (129, 75817), (301, 32493), (903, 10831)]