17940987513

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{1960121}}^1$

素因数の和:1960246

約数の個数: 20

約数和(自身を含む): 27037922868

約数和(自身を除く): 9096935355

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 3051, 9153, 1960121, 5880363, 17641089, 52923267, 158769801, 221493673, 664481019, 1993443057, 5980329171, 17940987513]

約数ペア:

[(1, 17940987513), (3, 5980329171), (9, 1993443057), (27, 664481019), (81, 221493673), (113, 158769801), (339, 52923267), (1017, 17641089), (3051, 5880363), (9153, 1960121)]