1581363

素因数分解:

$3^4\times 7^1\times {\mathrm{2789}}^1$

素因数の和:2808

約数の個数: 20

約数和(自身を含む): 2700720

約数和(自身を除く): 1119357

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2789, 8367, 19523, 25101, 58569, 75303, 175707, 225909, 527121, 1581363]

約数ペア:

[(1, 1581363), (3, 527121), (7, 225909), (9, 175707), (21, 75303), (27, 58569), (63, 25101), (81, 19523), (189, 8367), (567, 2789)]