56723121

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{69259}}^1$

素因数の和:69285

約数の個数: 24

約数和(自身を含む): 100842560

約数和(自身を除く): 44119439

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 69259, 207777, 484813, 623331, 900367, 1454439, 2701101, 4363317, 6302569, 8103303, 18907707, 56723121]

約数ペア:

[(1, 56723121), (3, 18907707), (7, 8103303), (9, 6302569), (13, 4363317), (21, 2701101), (39, 1454439), (63, 900367), (91, 623331), (117, 484813), (273, 207777), (819, 69259)]