138840345

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{146921}}^1$

素因数の和:146942

約数の個数: 32

約数和(自身を含む): 282090240

約数和(自身を除く): 143249895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 146921, 440763, 734605, 1028447, 1322289, 2203815, 3085341, 3966867, 5142235, 6611445, 9256023, 15426705, 19834335, 27768069, 46280115, 138840345]

約数ペア:

[(1, 138840345), (3, 46280115), (5, 27768069), (7, 19834335), (9, 15426705), (15, 9256023), (21, 6611445), (27, 5142235), (35, 3966867), (45, 3085341), (63, 2203815), (105, 1322289), (135, 1028447), (189, 734605), (315, 440763), (945, 146921)]