275781289

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1\times {\mathrm{1021}}^1$

素因数の和:1896

約数の個数: 16

約数和(自身を含む): 322592256

約数和(自身を除く): 46810967

約数列:

[1, 7, 47, 329, 821, 1021, 5747, 7147, 38587, 47987, 270109, 335909, 838241, 5867687, 39397327, 275781289]

約数ペア:

[(1, 275781289), (7, 39397327), (47, 5867687), (329, 838241), (821, 335909), (1021, 270109), (5747, 47987), (7147, 38587)]