2018880909

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{545791}}^1$

素因数の和:545937

約数の個数: 16

約数和(自身を含む): 3012771840

約数和(自身を除く): 993890931

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 545791, 1637373, 4912119, 14736357, 74773367, 224320101, 672960303, 2018880909]

約数ペア:

[(1, 2018880909), (3, 672960303), (9, 224320101), (27, 74773367), (137, 14736357), (411, 4912119), (1233, 1637373), (3699, 545791)]