138855981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{26801}}^1$

素因数の和:26972

約数の個数: 16

約数和(自身を含む): 203266368

約数和(自身を除く): 64410387

約数列:

[1, 3, 11, 33, 157, 471, 1727, 5181, 26801, 80403, 294811, 884433, 4207757, 12623271, 46285327, 138855981]

約数ペア:

[(1, 138855981), (3, 46285327), (11, 12623271), (33, 4207757), (157, 884433), (471, 294811), (1727, 80403), (5181, 26801)]