128508849

素因数分解:

$3^6\times 7^1\times {\mathrm{25183}}^1$

素因数の和:25208

約数の個数: 28

約数和(自身を含む): 220208896

約数和(自身を除く): 91700047

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 25183, 75549, 176281, 226647, 528843, 679941, 1586529, 2039823, 4759587, 6119469, 14278761, 18358407, 42836283, 128508849]

約数ペア:

[(1, 128508849), (3, 42836283), (7, 18358407), (9, 14278761), (21, 6119469), (27, 4759587), (63, 2039823), (81, 1586529), (189, 679941), (243, 528843), (567, 226647), (729, 176281), (1701, 75549), (5103, 25183)]