54145815

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 89481216

約数和(自身を除く): 35335401

約数列:

[1, 3, 5, 15, 43, 127, 129, 215, 381, 635, 645, 661, 1905, 1983, 3305, 5461, 9915, 16383, 27305, 28423, 81915, 83947, 85269, 142115, 251841, 419735, 426345, 1259205, 3609721, 10829163, 18048605, 54145815]

約数ペア:

[(1, 54145815), (3, 18048605), (5, 10829163), (15, 3609721), (43, 1259205), (127, 426345), (129, 419735), (215, 251841), (381, 142115), (635, 85269), (645, 83947), (661, 81915), (1905, 28423), (1983, 27305), (3305, 16383), (5461, 9915)]