123152319

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{80021}}^1$

素因数の和:80052

約数の個数: 20

約数和(自身を含む): 193653240

約数和(自身を除く): 70500921

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 80021, 240063, 720189, 1520399, 2160567, 4561197, 6481701, 13683591, 41050773, 123152319]

約数ペア:

[(1, 123152319), (3, 41050773), (9, 13683591), (19, 6481701), (27, 4561197), (57, 2160567), (81, 1520399), (171, 720189), (513, 240063), (1539, 80021)]