20190681

素因数分解:

$3^3\times 7^1\times {\mathrm{317}}^1\times {\mathrm{337}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 34394880

約数和(自身を除く): 14204199

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 317, 337, 951, 1011, 2219, 2359, 2853, 3033, 6657, 7077, 8559, 9099, 19971, 21231, 59913, 63693, 106829, 320487, 747803, 961461, 2243409, 2884383, 6730227, 20190681]

約数ペア:

[(1, 20190681), (3, 6730227), (7, 2884383), (9, 2243409), (21, 961461), (27, 747803), (63, 320487), (189, 106829), (317, 63693), (337, 59913), (951, 21231), (1011, 19971), (2219, 9099), (2359, 8559), (2853, 7077), (3033, 6657)]