201789009

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2767}}^1$

素因数の和:2886

約数の個数: 32

約数和(自身を含む): 311344640

約数和(自身を除く): 109555631

約数列:

[1, 3, 9, 27, 37, 73, 111, 219, 333, 657, 999, 1971, 2701, 2767, 8103, 8301, 24309, 24903, 72927, 74709, 102379, 201991, 307137, 605973, 921411, 1817919, 2764233, 5453757, 7473667, 22421001, 67263003, 201789009]

約数ペア:

[(1, 201789009), (3, 67263003), (9, 22421001), (27, 7473667), (37, 5453757), (73, 2764233), (111, 1817919), (219, 921411), (333, 605973), (657, 307137), (999, 201991), (1971, 102379), (2701, 74709), (2767, 72927), (8103, 24903), (8301, 24309)]