81611316

素因数分解:

$2^2\times 3^2\times {\mathrm{2266981}}^1$

素因数の和:2266991

約数の個数: 18

約数和(自身を含む): 206295362

約数和(自身を除く): 124684046

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2266981, 4533962, 6800943, 9067924, 13601886, 20402829, 27203772, 40805658, 81611316]

約数ペア:

[(1, 81611316), (2, 40805658), (3, 27203772), (4, 20402829), (6, 13601886), (9, 9067924), (12, 6800943), (18, 4533962), (36, 2266981)]