189969381

素因数分解:

$3^7\times 7^1\times {\mathrm{12409}}^1$

素因数の和:12437

約数の個数: 32

約数和(自身を含む): 325638400

約数和(自身を除く): 135669019

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2187, 5103, 12409, 15309, 37227, 86863, 111681, 260589, 335043, 781767, 1005129, 2345301, 3015387, 7035903, 9046161, 21107709, 27138483, 63323127, 189969381]

約数ペア:

[(1, 189969381), (3, 63323127), (7, 27138483), (9, 21107709), (21, 9046161), (27, 7035903), (63, 3015387), (81, 2345301), (189, 1005129), (243, 781767), (567, 335043), (729, 260589), (1701, 111681), (2187, 86863), (5103, 37227), (12409, 15309)]