20177127

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 31435200

約数和(自身を除く): 11258073

約数列:

[1, 3, 9, 27, 29, 73, 87, 219, 261, 353, 657, 783, 1059, 1971, 2117, 3177, 6351, 9531, 10237, 19053, 25769, 30711, 57159, 77307, 92133, 231921, 276399, 695763, 747301, 2241903, 6725709, 20177127]

約数ペア:

[(1, 20177127), (3, 6725709), (9, 2241903), (27, 747301), (29, 695763), (73, 276399), (87, 231921), (219, 92133), (261, 77307), (353, 57159), (657, 30711), (783, 25769), (1059, 19053), (1971, 10237), (2117, 9531), (3177, 6351)]