80988921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4409}}^1$

素因数の和:4585

約数の個数: 24

約数和(自身を含む): 126813960

約数和(自身を除く): 45825039

約数列:

[1, 3, 9, 13, 39, 117, 157, 471, 1413, 2041, 4409, 6123, 13227, 18369, 39681, 57317, 171951, 515853, 692213, 2076639, 6229917, 8998769, 26996307, 80988921]

約数ペア:

[(1, 80988921), (3, 26996307), (9, 8998769), (13, 6229917), (39, 2076639), (117, 692213), (157, 515853), (471, 171951), (1413, 57317), (2041, 39681), (4409, 18369), (6123, 13227)]