200904921

素因数分解:

$3^3\times 7^1\times {\mathrm{1062989}}^1$

素因数の和:1063005

約数の個数: 16

約数和(自身を含む): 340156800

約数和(自身を除く): 139251879

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1062989, 3188967, 7440923, 9566901, 22322769, 28700703, 66968307, 200904921]

約数ペア:

[(1, 200904921), (3, 66968307), (7, 28700703), (9, 22322769), (21, 9566901), (27, 7440923), (63, 3188967), (189, 1062989)]