90089091

素因数分解:

$3^9\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 40

約数和(自身を含む): 141715200

約数和(自身を除く): 51626109

約数列:

[1, 3, 9, 23, 27, 69, 81, 199, 207, 243, 597, 621, 729, 1791, 1863, 2187, 4577, 5373, 5589, 6561, 13731, 16119, 16767, 19683, 41193, 48357, 50301, 123579, 145071, 150903, 370737, 435213, 452709, 1112211, 1305639, 3336633, 3916917, 10009899, 30029697, 90089091]

約数ペア:

[(1, 90089091), (3, 30029697), (9, 10009899), (23, 3916917), (27, 3336633), (69, 1305639), (81, 1112211), (199, 452709), (207, 435213), (243, 370737), (597, 150903), (621, 145071), (729, 123579), (1791, 50301), (1863, 48357), (2187, 41193), (4577, 19683), (5373, 16767), (5589, 16119), (6561, 13731)]