293399253

素因数分解:

$3^4\times 7^1\times {\mathrm{517459}}^1$

素因数の和:517478

約数の個数: 20

約数和(自身を含む): 500901280

約数和(自身を除く): 207502027

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 517459, 1552377, 3622213, 4657131, 10866639, 13971393, 32599917, 41914179, 97799751, 293399253]

約数ペア:

[(1, 293399253), (3, 97799751), (7, 41914179), (9, 32599917), (21, 13971393), (27, 10866639), (63, 4657131), (81, 3622213), (189, 1552377), (567, 517459)]