166665321

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{974651}}^1$

素因数の和:974676

約数の個数: 12

約数和(自身を含む): 253409520

約数和(自身を除く): 86744199

約数列:

[1, 3, 9, 19, 57, 171, 974651, 2923953, 8771859, 18518369, 55555107, 166665321]

約数ペア:

[(1, 166665321), (3, 55555107), (9, 18518369), (19, 8771859), (57, 2923953), (171, 974651)]