12555711

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:492

約数の個数: 36

約数和(自身を含む): 21447504

約数和(自身を除く): 8891793

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 401, 441, 497, 639, 1203, 1491, 2807, 3479, 3609, 4473, 8421, 10437, 19649, 25263, 28471, 31311, 58947, 85413, 176841, 199297, 256239, 597891, 1395079, 1793673, 4185237, 12555711]

約数ペア:

[(1, 12555711), (3, 4185237), (7, 1793673), (9, 1395079), (21, 597891), (49, 256239), (63, 199297), (71, 176841), (147, 85413), (213, 58947), (401, 31311), (441, 28471), (497, 25263), (639, 19649), (1203, 10437), (1491, 8421), (2807, 4473), (3479, 3609)]