51081201

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{727}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 76241984

約数和(自身を除く): 25160783

約数列:

[1, 3, 9, 37, 111, 211, 333, 633, 727, 1899, 2181, 6543, 7807, 23421, 26899, 70263, 80697, 153397, 242091, 460191, 1380573, 5675689, 17027067, 51081201]

約数ペア:

[(1, 51081201), (3, 17027067), (9, 5675689), (37, 1380573), (111, 460191), (211, 242091), (333, 153397), (633, 80697), (727, 70263), (1899, 26899), (2181, 23421), (6543, 7807)]