15804971

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 20684160

約数和(自身を除く): 4879189

約数列:

[1, 7, 13, 29, 53, 91, 113, 203, 371, 377, 689, 791, 1469, 1537, 2639, 3277, 4823, 5989, 10283, 10759, 19981, 22939, 41923, 42601, 77857, 139867, 173681, 298207, 544999, 1215767, 2257853, 15804971]

約数ペア:

[(1, 15804971), (7, 2257853), (13, 1215767), (29, 544999), (53, 298207), (91, 173681), (113, 139867), (203, 77857), (371, 42601), (377, 41923), (689, 22939), (791, 19981), (1469, 10759), (1537, 10283), (2639, 5989), (3277, 4823)]