1889163

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:376

約数の個数: 20

約数和(自身を含む): 2866248

約数和(自身を除く): 977085

約数列:

[1, 3, 9, 27, 81, 83, 249, 281, 747, 843, 2241, 2529, 6723, 7587, 22761, 23323, 69969, 209907, 629721, 1889163]

約数ペア:

[(1, 1889163), (3, 629721), (9, 209907), (27, 69969), (81, 23323), (83, 22761), (249, 7587), (281, 6723), (747, 2529), (843, 2241)]