25965513

素因数分解:

$3^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1223}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 43026048

約数和(自身を除く): 17060535

約数列:

[1, 3, 7, 9, 21, 63, 337, 1011, 1223, 2359, 3033, 3669, 7077, 8561, 11007, 21231, 25683, 77049, 412151, 1236453, 2885057, 3709359, 8655171, 25965513]

約数ペア:

[(1, 25965513), (3, 8655171), (7, 3709359), (9, 2885057), (21, 1236453), (63, 412151), (337, 77049), (1011, 25683), (1223, 21231), (2359, 11007), (3033, 8561), (3669, 7077)]