20521323

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{5101}}^1$

素因数の和:5259

約数の個数: 16

約数和(自身を含む): 30612000

約数和(自身を除く): 10090677

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 5101, 15303, 45909, 137727, 760049, 2280147, 6840441, 20521323]

約数ペア:

[(1, 20521323), (3, 6840441), (9, 2280147), (27, 760049), (149, 137727), (447, 45909), (1341, 15303), (4023, 5101)]