27581589

素因数分解:

$3^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{683}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 45669312

約数和(自身を除く): 18087723

約数列:

[1, 3, 7, 9, 21, 63, 641, 683, 1923, 2049, 4487, 4781, 5769, 6147, 13461, 14343, 40383, 43029, 437803, 1313409, 3064621, 3940227, 9193863, 27581589]

約数ペア:

[(1, 27581589), (3, 9193863), (7, 3940227), (9, 3064621), (21, 1313409), (63, 437803), (641, 43029), (683, 40383), (1923, 14343), (2049, 13461), (4487, 6147), (4781, 5769)]