12877641

素因数分解:

$3^2\times 7^2\times {\mathrm{29201}}^1$

素因数の和:29221

約数の個数: 18

約数和(自身を含む): 21638682

約数和(自身を除く): 8761041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 29201, 87603, 204407, 262809, 613221, 1430849, 1839663, 4292547, 12877641]

約数ペア:

[(1, 12877641), (3, 4292547), (7, 1839663), (9, 1430849), (21, 613221), (49, 262809), (63, 204407), (147, 87603), (441, 29201)]