660097917

素因数分解:

$3^4\times {\mathrm{673}}^1\times {\mathrm{12109}}^1$

素因数の和:12794

約数の個数: 20

約数和(自身を含む): 987618940

約数和(自身を除く): 327521023

約数列:

[1, 3, 9, 27, 81, 673, 2019, 6057, 12109, 18171, 36327, 54513, 108981, 326943, 980829, 8149357, 24448071, 73344213, 220032639, 660097917]

約数ペア:

[(1, 660097917), (3, 220032639), (9, 73344213), (27, 24448071), (81, 8149357), (673, 980829), (2019, 326943), (6057, 108981), (12109, 54513), (18171, 36327)]