128487939

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1\times {\mathrm{1907}}^1$

素因数の和:2554

約数の個数: 16

約数和(自身を含む): 176329728

約数和(自身を除く): 47841789

約数列:

[1, 3, 37, 111, 607, 1821, 1907, 5721, 22459, 67377, 70559, 211677, 1157549, 3472647, 42829313, 128487939]

約数ペア:

[(1, 128487939), (3, 42829313), (37, 3472647), (111, 1157549), (607, 211677), (1821, 70559), (1907, 67377), (5721, 22459)]