3984813

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3329}}^1$

素因数の和:3361

約数の個数: 24

約数和(自身を含む): 6926400

約数和(自身を除く): 2941587

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 3329, 9987, 23303, 29961, 63251, 69909, 189753, 209727, 442757, 569259, 1328271, 3984813]

約数ペア:

[(1, 3984813), (3, 1328271), (7, 569259), (9, 442757), (19, 209727), (21, 189753), (57, 69909), (63, 63251), (133, 29961), (171, 23303), (399, 9987), (1197, 3329)]