28311387

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2939}}^1$

素因数の和:2987

約数の個数: 24

約数和(自身を含む): 43041600

約数和(自身を除く): 14730213

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 2939, 3211, 8817, 9633, 38207, 55841, 114621, 167523, 496691, 725933, 1490073, 2177799, 9437129, 28311387]

約数ペア:

[(1, 28311387), (3, 9437129), (13, 2177799), (19, 1490073), (39, 725933), (57, 496691), (169, 167523), (247, 114621), (507, 55841), (741, 38207), (2939, 9633), (3211, 8817)]