128869741

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7573}}^1$

素因数の和:7621

約数の個数: 32

約数和(自身を含む): 183230208

約数和(自身を除く): 54360467

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 2431, 7573, 17017, 53011, 83303, 98449, 128741, 583121, 689143, 901187, 1082939, 1416151, 1673633, 7580573, 9913057, 11715431, 18409963, 128869741]

約数ペア:

[(1, 128869741), (7, 18409963), (11, 11715431), (13, 9913057), (17, 7580573), (77, 1673633), (91, 1416151), (119, 1082939), (143, 901187), (187, 689143), (221, 583121), (1001, 128741), (1309, 98449), (1547, 83303), (2431, 53011), (7573, 17017)]