223690047

素因数分解:

$3^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{3833}}^1$

素因数の和:4247

約数の個数: 24

約数和(自身を含む): 347912496

約数和(自身を除く): 124222449

約数列:

[1, 3, 7, 21, 49, 147, 397, 1191, 2779, 3833, 8337, 11499, 19453, 26831, 58359, 80493, 187817, 563451, 1521701, 4565103, 10651907, 31955721, 74563349, 223690047]

約数ペア:

[(1, 223690047), (3, 74563349), (7, 31955721), (21, 10651907), (49, 4565103), (147, 1521701), (397, 563451), (1191, 187817), (2779, 80493), (3833, 58359), (8337, 26831), (11499, 19453)]