28526985

素因数分解:

$3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 52363584

約数和(自身を除く): 23836599

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 243, 265, 405, 443, 477, 795, 1215, 1329, 1431, 2215, 2385, 3987, 4293, 6645, 7155, 11961, 12879, 19935, 21465, 23479, 35883, 59805, 64395, 70437, 107649, 117395, 179415, 211311, 352185, 538245, 633933, 1056555, 1901799, 3169665, 5705397, 9508995, 28526985]

約数ペア:

[(1, 28526985), (3, 9508995), (5, 5705397), (9, 3169665), (15, 1901799), (27, 1056555), (45, 633933), (53, 538245), (81, 352185), (135, 211311), (159, 179415), (243, 117395), (265, 107649), (405, 70437), (443, 64395), (477, 59805), (795, 35883), (1215, 23479), (1329, 21465), (1431, 19935), (2215, 12879), (2385, 11961), (3987, 7155), (4293, 6645)]