281810961

素因数分解:

$3^3\times {\mathrm{1657}}^1\times {\mathrm{6299}}^1$

素因数の和:7965

約数の個数: 16

約数和(自身を含む): 417816000

約数和(自身を除く): 136005039

約数列:

[1, 3, 9, 27, 1657, 4971, 6299, 14913, 18897, 44739, 56691, 170073, 10437443, 31312329, 93936987, 281810961]

約数ペア:

[(1, 281810961), (3, 93936987), (9, 31312329), (27, 10437443), (1657, 170073), (4971, 56691), (6299, 44739), (14913, 18897)]