155969145

素因数分解:

$3^4\times 5^1\times {\mathrm{385109}}^1$

素因数の和:385126

約数の個数: 20

約数和(自身を含む): 279589860

約数和(自身を除く): 123620715

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 385109, 1155327, 1925545, 3465981, 5776635, 10397943, 17329905, 31193829, 51989715, 155969145]

約数ペア:

[(1, 155969145), (3, 51989715), (5, 31193829), (9, 17329905), (15, 10397943), (27, 5776635), (45, 3465981), (81, 1925545), (135, 1155327), (405, 385109)]