2053121

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 2534400

約数和(自身を除く): 481279

約数列:

[1, 7, 19, 43, 133, 301, 359, 817, 2513, 5719, 6821, 15437, 47747, 108059, 293303, 2053121]

約数ペア:

[(1, 2053121), (7, 293303), (19, 108059), (43, 47747), (133, 15437), (301, 6821), (359, 5719), (817, 2513)]