28638921

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{6211}}^1$

素因数の和:6296

約数の個数: 16

約数和(自身を含む): 40253760

約数和(自身を除く): 11614839

約数列:

[1, 3, 29, 53, 87, 159, 1537, 4611, 6211, 18633, 180119, 329183, 540357, 987549, 9546307, 28638921]

約数ペア:

[(1, 28638921), (3, 9546307), (29, 987549), (53, 540357), (87, 329183), (159, 180119), (1537, 18633), (4611, 6211)]