78895149

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1660

約数の個数: 16

約数和(自身を含む): 106800960

約数和(自身を除く): 27905811

約数列:

[1, 3, 137, 139, 411, 417, 1381, 4143, 19043, 57129, 189197, 191959, 567591, 575877, 26298383, 78895149]

約数ペア:

[(1, 78895149), (3, 26298383), (137, 575877), (139, 567591), (411, 191959), (417, 189197), (1381, 57129), (4143, 19043)]