27974973

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1987}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 42415968

約数和(自身を除く): 14440995

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 1987, 4693, 5961, 14079, 25831, 37753, 77493, 113259, 490789, 717307, 1472367, 2151921, 9324991, 27974973]

約数ペア:

[(1, 27974973), (3, 9324991), (13, 2151921), (19, 1472367), (39, 717307), (57, 490789), (247, 113259), (361, 77493), (741, 37753), (1083, 25831), (1987, 14079), (4693, 5961)]