988896591

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1733}}^1$

素因数の和:1876

約数の個数: 48

約数和(自身を含む): 1558103040

約数和(自身を除く): 569206449

約数列:

[1, 3, 9, 19, 47, 57, 71, 141, 171, 213, 423, 639, 893, 1349, 1733, 2679, 3337, 4047, 5199, 8037, 10011, 12141, 15597, 30033, 32927, 63403, 81451, 98781, 123043, 190209, 244353, 296343, 369129, 570627, 733059, 1107387, 1547569, 2337817, 4642707, 5783021, 7013451, 13928121, 17349063, 21040353, 52047189, 109877399, 329632197, 988896591]

約数ペア:

[(1, 988896591), (3, 329632197), (9, 109877399), (19, 52047189), (47, 21040353), (57, 17349063), (71, 13928121), (141, 7013451), (171, 5783021), (213, 4642707), (423, 2337817), (639, 1547569), (893, 1107387), (1349, 733059), (1733, 570627), (2679, 369129), (3337, 296343), (4047, 244353), (5199, 190209), (8037, 123043), (10011, 98781), (12141, 81451), (15597, 63403), (30033, 32927)]