39894813

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{33329}}^1$

素因数の和:33361

約数の個数: 24

約数和(自身を含む): 69326400

約数和(自身を除く): 29431587

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 33329, 99987, 233303, 299961, 633251, 699909, 1899753, 2099727, 4432757, 5699259, 13298271, 39894813]

約数ペア:

[(1, 39894813), (3, 13298271), (7, 5699259), (9, 4432757), (19, 2099727), (21, 1899753), (57, 699909), (63, 633251), (133, 299961), (171, 233303), (399, 99987), (1197, 33329)]