173688921

素因数分解:

$3^3\times 7^1\times {\mathrm{918989}}^1$

素因数の和:919005

約数の個数: 16

約数和(自身を含む): 294076800

約数和(自身を除く): 120387879

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 918989, 2756967, 6432923, 8270901, 19298769, 24812703, 57896307, 173688921]

約数ペア:

[(1, 173688921), (3, 57896307), (7, 24812703), (9, 19298769), (21, 8270901), (27, 6432923), (63, 2756967), (189, 918989)]