17385921

素因数分解:

$3^6\times 7^1\times {\mathrm{3407}}^1$

素因数の和:3432

約数の個数: 28

約数和(自身を含む): 29799552

約数和(自身を除く): 12413631

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3407, 5103, 10221, 23849, 30663, 71547, 91989, 214641, 275967, 643923, 827901, 1931769, 2483703, 5795307, 17385921]

約数ペア:

[(1, 17385921), (3, 5795307), (7, 2483703), (9, 1931769), (21, 827901), (27, 643923), (63, 275967), (81, 214641), (189, 91989), (243, 71547), (567, 30663), (729, 23849), (1701, 10221), (3407, 5103)]