689969157

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{1129}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 1019278080

約数和(自身を除く): 329308923

約数列:

[1, 3, 17, 23, 51, 69, 391, 521, 1129, 1173, 1563, 3387, 8857, 11983, 19193, 25967, 26571, 35949, 57579, 77901, 203711, 441439, 588209, 611133, 1324317, 1764627, 9999553, 13528807, 29998659, 40586421, 229989719, 689969157]

約数ペア:

[(1, 689969157), (3, 229989719), (17, 40586421), (23, 29998659), (51, 13528807), (69, 9999553), (391, 1764627), (521, 1324317), (1129, 611133), (1173, 588209), (1563, 441439), (3387, 203711), (8857, 77901), (11983, 57579), (19193, 35949), (25967, 26571)]