11771811

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{7649}}^1$

素因数の和:7680

約数の個数: 20

約数和(自身を含む): 18513000

約数和(自身を除く): 6741189

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 7649, 22947, 68841, 145331, 206523, 435993, 619569, 1307979, 3923937, 11771811]

約数ペア:

[(1, 11771811), (3, 3923937), (9, 1307979), (19, 619569), (27, 435993), (57, 206523), (81, 145331), (171, 68841), (513, 22947), (1539, 7649)]