28535769

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1279}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 42997760

約数和(自身を除く): 14461991

約数列:

[1, 3, 9, 37, 67, 111, 201, 333, 603, 1279, 2479, 3837, 7437, 11511, 22311, 47323, 85693, 141969, 257079, 425907, 771237, 3170641, 9511923, 28535769]

約数ペア:

[(1, 28535769), (3, 9511923), (9, 3170641), (37, 771237), (67, 425907), (111, 257079), (201, 141969), (333, 85693), (603, 47323), (1279, 22311), (2479, 11511), (3837, 7437)]