128210999

素因数分解:

$7^4\times {\mathrm{67}}^1\times {\mathrm{797}}^1$

素因数の和:892

約数の個数: 20

約数和(自身を含む): 151993464

約数和(自身を除く): 23782465

約数列:

[1, 7, 49, 67, 343, 469, 797, 2401, 3283, 5579, 22981, 39053, 53399, 160867, 273371, 373793, 1913597, 2616551, 18315857, 128210999]

約数ペア:

[(1, 128210999), (7, 18315857), (49, 2616551), (67, 1913597), (343, 373793), (469, 273371), (797, 160867), (2401, 53399), (3283, 39053), (5579, 22981)]