25881921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1409}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 40545960

約数和(自身を除く): 14664039

約数列:

[1, 3, 9, 13, 39, 117, 157, 471, 1409, 1413, 2041, 4227, 6123, 12681, 18317, 18369, 54951, 164853, 221213, 663639, 1990917, 2875769, 8627307, 25881921]

約数ペア:

[(1, 25881921), (3, 8627307), (9, 2875769), (13, 1990917), (39, 663639), (117, 221213), (157, 164853), (471, 54951), (1409, 18369), (1413, 18317), (2041, 12681), (4227, 6123)]