81025749

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{13259}}^1$

素因数の和:13369

約数の個数: 24

約数和(自身を含む): 135145920

約数和(自身を除く): 54120171

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 6111, 13259, 39777, 92813, 119331, 278439, 835317, 1286123, 3858369, 9002861, 11575107, 27008583, 81025749]

約数ペア:

[(1, 81025749), (3, 27008583), (7, 11575107), (9, 9002861), (21, 3858369), (63, 1286123), (97, 835317), (291, 278439), (679, 119331), (873, 92813), (2037, 39777), (6111, 13259)]