31878441

素因数分解:

$3^6\times 7^1\times {\mathrm{6247}}^1$

素因数の和:6272

約数の個数: 28

約数和(自身を含む): 54632512

約数和(自身を除く): 22754071

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 6247, 18741, 43729, 56223, 131187, 168669, 393561, 506007, 1180683, 1518021, 3542049, 4554063, 10626147, 31878441]

約数ペア:

[(1, 31878441), (3, 10626147), (7, 4554063), (9, 3542049), (21, 1518021), (27, 1180683), (63, 506007), (81, 393561), (189, 168669), (243, 131187), (567, 56223), (729, 43729), (1701, 18741), (5103, 6247)]