28611693

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 47376576

約数和(自身を除く): 18764883

約数列:

[1, 3, 9, 11, 33, 37, 73, 99, 107, 111, 219, 321, 333, 407, 657, 803, 963, 1177, 1221, 2409, 2701, 3531, 3663, 3959, 7227, 7811, 8103, 10593, 11877, 23433, 24309, 29711, 35631, 43549, 70299, 85921, 89133, 130647, 257763, 267399, 289007, 391941, 773289, 867021, 2601063, 3179077, 9537231, 28611693]

約数ペア:

[(1, 28611693), (3, 9537231), (9, 3179077), (11, 2601063), (33, 867021), (37, 773289), (73, 391941), (99, 289007), (107, 267399), (111, 257763), (219, 130647), (321, 89133), (333, 85921), (407, 70299), (657, 43549), (803, 35631), (963, 29711), (1177, 24309), (1221, 23433), (2409, 11877), (2701, 10593), (3531, 8103), (3663, 7811), (3959, 7227)]