280719297

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1409}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 427737600

約数和(自身を除く): 147018303

約数列:

[1, 3, 9, 27, 47, 141, 157, 423, 471, 1269, 1409, 1413, 4227, 4239, 7379, 12681, 22137, 38043, 66223, 66411, 198669, 199233, 221213, 596007, 663639, 1788021, 1990917, 5972751, 10397011, 31191033, 93573099, 280719297]

約数ペア:

[(1, 280719297), (3, 93573099), (9, 31191033), (27, 10397011), (47, 5972751), (141, 1990917), (157, 1788021), (423, 663639), (471, 596007), (1269, 221213), (1409, 199233), (1413, 198669), (4227, 66411), (4239, 66223), (7379, 38043), (12681, 22137)]