149980221

素因数分解:

$3^3\times {\mathrm{263}}^1\times {\mathrm{21121}}^1$

素因数の和:21393

約数の個数: 16

約数和(自身を含む): 223048320

約数和(自身を除く): 73068099

約数列:

[1, 3, 9, 27, 263, 789, 2367, 7101, 21121, 63363, 190089, 570267, 5554823, 16664469, 49993407, 149980221]

約数ペア:

[(1, 149980221), (3, 49993407), (9, 16664469), (27, 5554823), (263, 570267), (789, 190089), (2367, 63363), (7101, 21121)]