2181813867

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{192859}}^1$

素因数の和:193287

約数の個数: 16

約数和(自身を含む): 3240048000

約数和(自身を除く): 1058234133

約数列:

[1, 3, 9, 27, 419, 1257, 3771, 11313, 192859, 578577, 1735731, 5207193, 80807921, 242423763, 727271289, 2181813867]

約数ペア:

[(1, 2181813867), (3, 727271289), (9, 242423763), (27, 80807921), (419, 5207193), (1257, 1735731), (3771, 578577), (11313, 192859)]