20171861721

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{276467}}^1$

素因数の和:276562

約数の個数: 36

約数和(自身を含む): 32504895696

約数和(自身を除く): 12333033975

約数列:

[1, 3, 9, 11, 33, 67, 99, 121, 201, 363, 603, 737, 1089, 2211, 6633, 8107, 24321, 72963, 276467, 829401, 2488203, 3041137, 9123411, 18523289, 27370233, 33452507, 55569867, 100357521, 166709601, 203756179, 301072563, 611268537, 1833805611, 2241317969, 6723953907, 20171861721]

約数ペア:

[(1, 20171861721), (3, 6723953907), (9, 2241317969), (11, 1833805611), (33, 611268537), (67, 301072563), (99, 203756179), (121, 166709601), (201, 100357521), (363, 55569867), (603, 33452507), (737, 27370233), (1089, 18523289), (2211, 9123411), (6633, 3041137), (8107, 2488203), (24321, 829401), (72963, 276467)]