138917511

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{6571}}^1$

素因数の和:6618

約数の個数: 28

約数和(自身を含む): 215495880

約数和(自身を除く): 76578369

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 729, 783, 2349, 6571, 7047, 19713, 21141, 59139, 177417, 190559, 532251, 571677, 1596753, 1715031, 4790259, 5145093, 15435279, 46305837, 138917511]

約数ペア:

[(1, 138917511), (3, 46305837), (9, 15435279), (27, 5145093), (29, 4790259), (81, 1715031), (87, 1596753), (243, 571677), (261, 532251), (729, 190559), (783, 177417), (2349, 59139), (6571, 21141), (7047, 19713)]