25872021

素因数分解:

$3^3\times 7^1\times {\mathrm{136889}}^1$

素因数の和:136905

約数の個数: 16

約数和(自身を含む): 43804800

約数和(自身を除く): 17932779

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 136889, 410667, 958223, 1232001, 2874669, 3696003, 8624007, 25872021]

約数ペア:

[(1, 25872021), (3, 8624007), (7, 3696003), (9, 2874669), (21, 1232001), (27, 958223), (63, 410667), (189, 136889)]