28909221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{16529}}^1$

素因数の和:16596

約数の個数: 16

約数和(自身を含む): 42845760

約数和(自身を除く): 13936539

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 16529, 49587, 181819, 545457, 876037, 2628111, 9636407, 28909221]

約数ペア:

[(1, 28909221), (3, 9636407), (11, 2628111), (33, 876037), (53, 545457), (159, 181819), (583, 49587), (1749, 16529)]