42380919

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{23197}}^1$

素因数の和:23239

約数の個数: 24

約数和(自身を含む): 72377760

約数和(自身を除く): 29996841

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 23197, 69591, 162379, 208773, 487137, 672713, 1461411, 2018139, 4708991, 6054417, 14126973, 42380919]

約数ペア:

[(1, 42380919), (3, 14126973), (7, 6054417), (9, 4708991), (21, 2018139), (29, 1461411), (63, 672713), (87, 487137), (203, 208773), (261, 162379), (609, 69591), (1827, 23197)]