16565985

素因数分解:

$3^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{443}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 29623680

約数和(自身を除く): 13057695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 277, 443, 831, 1329, 1385, 2215, 2493, 3987, 4155, 6645, 7479, 11961, 12465, 19935, 37395, 59805, 122711, 368133, 613555, 1104399, 1840665, 3313197, 5521995, 16565985]

約数ペア:

[(1, 16565985), (3, 5521995), (5, 3313197), (9, 1840665), (15, 1104399), (27, 613555), (45, 368133), (135, 122711), (277, 59805), (443, 37395), (831, 19935), (1329, 12465), (1385, 11961), (2215, 7479), (2493, 6645), (3987, 4155)]