17039727

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{997}}^1$

素因数の和:1220

約数の個数: 20

約数和(自身を含む): 25600696

約数和(自身を除く): 8560969

約数列:

[1, 3, 9, 27, 81, 211, 633, 997, 1899, 2991, 5697, 8973, 17091, 26919, 80757, 210367, 631101, 1893303, 5679909, 17039727]

約数ペア:

[(1, 17039727), (3, 5679909), (9, 1893303), (27, 631101), (81, 210367), (211, 80757), (633, 26919), (997, 17091), (1899, 8973), (2991, 5697)]