81316143

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{52837}}^1$

素因数の和:52868

約数の個数: 20

約数和(自身を含む): 127867960

約数和(自身を除く): 46551817

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 52837, 158511, 475533, 1003903, 1426599, 3011709, 4279797, 9035127, 27105381, 81316143]

約数ペア:

[(1, 81316143), (3, 27105381), (9, 9035127), (19, 4279797), (27, 3011709), (57, 1426599), (81, 1003903), (171, 475533), (513, 158511), (1539, 52837)]