81133569

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 134184960

約数和(自身を除く): 53051391

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 127, 239, 243, 297, 381, 717, 891, 1143, 1397, 2151, 2629, 2673, 3429, 4191, 6453, 7887, 10287, 12573, 19359, 23661, 30353, 30861, 37719, 58077, 70983, 91059, 113157, 212949, 273177, 333883, 339471, 638847, 819531, 1001649, 2458593, 3004947, 7375779, 9014841, 27044523, 81133569]

約数ペア:

[(1, 81133569), (3, 27044523), (9, 9014841), (11, 7375779), (27, 3004947), (33, 2458593), (81, 1001649), (99, 819531), (127, 638847), (239, 339471), (243, 333883), (297, 273177), (381, 212949), (717, 113157), (891, 91059), (1143, 70983), (1397, 58077), (2151, 37719), (2629, 30861), (2673, 30353), (3429, 23661), (4191, 19359), (6453, 12573), (7887, 10287)]