123638859

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 187368000

約数和(自身を除く): 63729141

約数列:

[1, 3, 9, 27, 73, 149, 219, 421, 447, 657, 1263, 1341, 1971, 3789, 4023, 10877, 11367, 30733, 32631, 62729, 92199, 97893, 188187, 276597, 293679, 564561, 829791, 1693683, 4579217, 13737651, 41212953, 123638859]

約数ペア:

[(1, 123638859), (3, 41212953), (9, 13737651), (27, 4579217), (73, 1693683), (149, 829791), (219, 564561), (421, 293679), (447, 276597), (657, 188187), (1263, 97893), (1341, 92199), (1971, 62729), (3789, 32631), (4023, 30733), (10877, 11367)]