12801555

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 24286080

約数和(自身を除く): 11484525

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 79, 117, 195, 237, 277, 395, 585, 711, 831, 1027, 1185, 1385, 2493, 3081, 3555, 3601, 4155, 5135, 9243, 10803, 12465, 15405, 18005, 21883, 32409, 46215, 54015, 65649, 109415, 162045, 196947, 284479, 328245, 853437, 984735, 1422395, 2560311, 4267185, 12801555]

約数ペア:

[(1, 12801555), (3, 4267185), (5, 2560311), (9, 1422395), (13, 984735), (15, 853437), (39, 328245), (45, 284479), (65, 196947), (79, 162045), (117, 109415), (195, 65649), (237, 54015), (277, 46215), (395, 32409), (585, 21883), (711, 18005), (831, 15405), (1027, 12465), (1185, 10803), (1385, 9243), (2493, 5135), (3081, 4155), (3555, 3601)]