90987519

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{907}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 147488256

約数和(自身を除く): 56500737

約数列:

[1, 3, 7, 17, 21, 51, 119, 281, 357, 843, 907, 1967, 2721, 4777, 5901, 6349, 14331, 15419, 19047, 33439, 46257, 100317, 107933, 254867, 323799, 764601, 1784069, 4332739, 5352207, 12998217, 30329173, 90987519]

約数ペア:

[(1, 90987519), (3, 30329173), (7, 12998217), (17, 5352207), (21, 4332739), (51, 1784069), (119, 764601), (281, 323799), (357, 254867), (843, 107933), (907, 100317), (1967, 46257), (2721, 33439), (4777, 19047), (5901, 15419), (6349, 14331)]