389067693

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{139301}}^1$

素因数の和:139337

約数の個数: 24

約数和(自身を含む): 635217120

約数和(自身を除く): 246149427

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 139301, 417903, 975107, 2646719, 2925321, 6825749, 7940157, 18527033, 20477247, 55581099, 129689231, 389067693]

約数ペア:

[(1, 389067693), (3, 129689231), (7, 55581099), (19, 20477247), (21, 18527033), (49, 7940157), (57, 6825749), (133, 2925321), (147, 2646719), (399, 975107), (931, 417903), (2793, 139301)]