1491103323

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{168887}}^1$

素因数の和:169008

約数の個数: 20

約数和(自身を含む): 2247899280

約数和(自身を除く): 756795957

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 168887, 506661, 1519983, 4559949, 13679847, 18408683, 55226049, 165678147, 497034441, 1491103323]

約数ペア:

[(1, 1491103323), (3, 497034441), (9, 165678147), (27, 55226049), (81, 18408683), (109, 13679847), (327, 4559949), (981, 1519983), (2943, 506661), (8829, 168887)]