81314925

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{8537}}^1$

素因数の和:8677

約数の個数: 24

約数和(自身を含む): 135515136

約数和(自身を除く): 54200211

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 1905, 3175, 8537, 9525, 25611, 42685, 128055, 213425, 640275, 1084199, 3252597, 5420995, 16262985, 27104975, 81314925]

約数ペア:

[(1, 81314925), (3, 27104975), (5, 16262985), (15, 5420995), (25, 3252597), (75, 1084199), (127, 640275), (381, 213425), (635, 128055), (1905, 42685), (3175, 25611), (8537, 9525)]