27897995

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 34080480

約数和(自身を除く): 6182485

約数列:

[1, 5, 137, 139, 293, 685, 695, 1465, 19043, 40141, 40727, 95215, 200705, 203635, 5579599, 27897995]

約数ペア:

[(1, 27897995), (5, 5579599), (137, 203635), (139, 200705), (293, 95215), (685, 40727), (695, 40141), (1465, 19043)]