291214197

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{189223}}^1$

素因数の和:189254

約数の個数: 20

約数和(自身を含む): 457922080

約数和(自身を除く): 166707883

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 189223, 567669, 1703007, 3595237, 5109021, 10785711, 15327063, 32357133, 97071399, 291214197]

約数ペア:

[(1, 291214197), (3, 97071399), (9, 32357133), (19, 15327063), (27, 10785711), (57, 5109021), (81, 3595237), (171, 1703007), (513, 567669), (1539, 189223)]