15420009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 23485824

約数和(自身を除く): 8065815

約数列:

[1, 3, 11, 33, 37, 73, 111, 173, 219, 407, 519, 803, 1221, 1903, 2409, 2701, 5709, 6401, 8103, 12629, 19203, 29711, 37887, 70411, 89133, 138919, 211233, 416757, 467273, 1401819, 5140003, 15420009]

約数ペア:

[(1, 15420009), (3, 5140003), (11, 1401819), (33, 467273), (37, 416757), (73, 211233), (111, 138919), (173, 89133), (219, 70411), (407, 37887), (519, 29711), (803, 19203), (1221, 12629), (1903, 8103), (2409, 6401), (2701, 5709)]