81251925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{63727}}^1$

素因数の和:63757

約数の個数: 24

約数和(自身を含む): 142240896

約数和(自身を除く): 60988971

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 63727, 191181, 318635, 955905, 1083359, 1593175, 3250077, 4779525, 5416795, 16250385, 27083975, 81251925]

約数ペア:

[(1, 81251925), (3, 27083975), (5, 16250385), (15, 5416795), (17, 4779525), (25, 3250077), (51, 1593175), (75, 1083359), (85, 955905), (255, 318635), (425, 191181), (1275, 63727)]