2017880181

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{422239}}^1$

素因数の和:422310

約数の個数: 20

約数和(自身を含む): 3065462400

約数和(自身を除く): 1047582219

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 422239, 1266717, 3800151, 11400453, 24912101, 34201359, 74736303, 224208909, 672626727, 2017880181]

約数ペア:

[(1, 2017880181), (3, 672626727), (9, 224208909), (27, 74736303), (59, 34201359), (81, 24912101), (177, 11400453), (531, 3800151), (1593, 1266717), (4779, 422239)]