25972731

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{7457}}^1$

素因数の和:7512

約数の個数: 20

約数和(自身を含む): 39706392

約数和(自身を除く): 13733661

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 7457, 22371, 67113, 201339, 320651, 604017, 961953, 2885859, 8657577, 25972731]

約数ペア:

[(1, 25972731), (3, 8657577), (9, 2885859), (27, 961953), (43, 604017), (81, 320651), (129, 201339), (387, 67113), (1161, 22371), (3483, 7457)]