29681289

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 49976640

約数和(自身を除く): 20295351

約数列:

[1, 3, 9, 11, 27, 33, 37, 73, 99, 111, 219, 297, 333, 407, 657, 803, 999, 1221, 1369, 1971, 2409, 2701, 3663, 4107, 7227, 8103, 10989, 12321, 15059, 21681, 24309, 29711, 36963, 45177, 72927, 89133, 99937, 135531, 267399, 299811, 406593, 802197, 899433, 1099307, 2698299, 3297921, 9893763, 29681289]

約数ペア:

[(1, 29681289), (3, 9893763), (9, 3297921), (11, 2698299), (27, 1099307), (33, 899433), (37, 802197), (73, 406593), (99, 299811), (111, 267399), (219, 135531), (297, 99937), (333, 89133), (407, 72927), (657, 45177), (803, 36963), (999, 29711), (1221, 24309), (1369, 21681), (1971, 15059), (2409, 12321), (2701, 10989), (3663, 8103), (4107, 7227)]