51113517

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{3821}}^1$

素因数の和:3858

約数の個数: 32

約数和(自身を含む): 85612800

約数和(自身を除く): 34499283

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 3821, 4459, 11463, 13377, 26747, 49673, 80241, 149019, 187229, 347711, 561687, 1043133, 1310603, 2433977, 3931809, 7301931, 17037839, 51113517]

約数ペア:

[(1, 51113517), (3, 17037839), (7, 7301931), (13, 3931809), (21, 2433977), (39, 1310603), (49, 1043133), (91, 561687), (147, 347711), (273, 187229), (343, 149019), (637, 80241), (1029, 49673), (1911, 26747), (3821, 13377), (4459, 11463)]