840693

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:86

約数の個数: 32

約数和(自身を含む): 1408000

約数和(自身を除く): 567307

約数列:

[1, 3, 7, 19, 21, 43, 49, 57, 129, 133, 147, 301, 343, 399, 817, 903, 931, 1029, 2107, 2451, 2793, 5719, 6321, 6517, 14749, 17157, 19551, 40033, 44247, 120099, 280231, 840693]

約数ペア:

[(1, 840693), (3, 280231), (7, 120099), (19, 44247), (21, 40033), (43, 19551), (49, 17157), (57, 14749), (129, 6517), (133, 6321), (147, 5719), (301, 2793), (343, 2451), (399, 2107), (817, 1029), (903, 931)]