27591921

素因数分解:

$3^6\times 7^1\times {\mathrm{5407}}^1$

素因数の和:5432

約数の個数: 28

約数和(自身を含む): 47287552

約数和(自身を除く): 19695631

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 5407, 16221, 37849, 48663, 113547, 145989, 340641, 437967, 1021923, 1313901, 3065769, 3941703, 9197307, 27591921]

約数ペア:

[(1, 27591921), (3, 9197307), (7, 3941703), (9, 3065769), (21, 1313901), (27, 1021923), (63, 437967), (81, 340641), (189, 145989), (243, 113547), (567, 48663), (729, 37849), (1701, 16221), (5103, 5407)]