86808429

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{17569}}^1$

素因数の和:17642

約数の個数: 20

約数和(自身を含む): 131810140

約数和(自身を除く): 45001711

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 17569, 52707, 158121, 474363, 1071709, 1423089, 3215127, 9645381, 28936143, 86808429]

約数ペア:

[(1, 86808429), (3, 28936143), (9, 9645381), (27, 3215127), (61, 1423089), (81, 1071709), (183, 474363), (549, 158121), (1647, 52707), (4941, 17569)]