109239921

素因数分解:

$3^6\times 7^1\times {\mathrm{21407}}^1$

素因数の和:21432

約数の個数: 28

約数和(自身を含む): 187191552

約数和(自身を除く): 77951631

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 21407, 64221, 149849, 192663, 449547, 577989, 1348641, 1733967, 4045923, 5201901, 12137769, 15605703, 36413307, 109239921]

約数ペア:

[(1, 109239921), (3, 36413307), (7, 15605703), (9, 12137769), (21, 5201901), (27, 4045923), (63, 1733967), (81, 1348641), (189, 577989), (243, 449547), (567, 192663), (729, 149849), (1701, 64221), (5103, 21407)]