27685071

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{17989}}^1$

素因数の和:18020

約数の個数: 20

約数和(自身を含む): 43535800

約数和(自身を除く): 15850729

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 17989, 53967, 161901, 341791, 485703, 1025373, 1457109, 3076119, 9228357, 27685071]

約数ペア:

[(1, 27685071), (3, 9228357), (9, 3076119), (19, 1457109), (27, 1025373), (57, 485703), (81, 341791), (171, 161901), (513, 53967), (1539, 17989)]