28999047

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2671}}^1$

素因数の和:2739

約数の個数: 32

約数和(自身を含む): 49250304

約数和(自身を除く): 20251257

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1551, 2671, 3619, 8013, 10857, 18697, 29381, 56091, 88143, 125537, 205667, 376611, 617001, 878759, 1380907, 2636277, 4142721, 9666349, 28999047]

約数ペア:

[(1, 28999047), (3, 9666349), (7, 4142721), (11, 2636277), (21, 1380907), (33, 878759), (47, 617001), (77, 376611), (141, 205667), (231, 125537), (329, 88143), (517, 56091), (987, 29381), (1551, 18697), (2671, 10857), (3619, 8013)]