28239920451

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{1427}}^1\times {\mathrm{20173}}^1$

素因数の和:21715

約数の個数: 24

約数和(自身を含む): 41196114960

約数和(自身を除く): 12956194509

約数列:

[1, 3, 9, 109, 327, 981, 1427, 4281, 12843, 20173, 60519, 155543, 181557, 466629, 1399887, 2198857, 6596571, 19789713, 28786871, 86360613, 259081839, 3137768939, 9413306817, 28239920451]

約数ペア:

[(1, 28239920451), (3, 9413306817), (9, 3137768939), (109, 259081839), (327, 86360613), (981, 28786871), (1427, 19789713), (4281, 6596571), (12843, 2198857), (20173, 1399887), (60519, 466629), (155543, 181557)]