81787527

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7529}}^1$

素因数の和:7623

約数の個数: 24

約数和(自身を含む): 126865440

約数和(自身を除く): 45077913

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 3621, 7529, 10863, 22587, 67761, 127993, 383979, 534559, 1151937, 1603677, 4811031, 9087503, 27262509, 81787527]

約数ペア:

[(1, 81787527), (3, 27262509), (9, 9087503), (17, 4811031), (51, 1603677), (71, 1151937), (153, 534559), (213, 383979), (639, 127993), (1207, 67761), (3621, 22587), (7529, 10863)]