11957967

素因数分解:

$3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{547}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 19833216

約数和(自身を除く): 7875249

約数列:

[1, 3, 7, 9, 21, 63, 347, 547, 1041, 1641, 2429, 3123, 3829, 4923, 7287, 11487, 21861, 34461, 189809, 569427, 1328663, 1708281, 3985989, 11957967]

約数ペア:

[(1, 11957967), (3, 3985989), (7, 1708281), (9, 1328663), (21, 569427), (63, 189809), (347, 34461), (547, 21861), (1041, 11487), (1641, 7287), (2429, 4923), (3123, 3829)]