11847213

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1087}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 19688448

約数和(自身を除く): 7841235

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1087, 1211, 1557, 3261, 3633, 7609, 9783, 10899, 22827, 68481, 188051, 564153, 1316357, 1692459, 3949071, 11847213]

約数ペア:

[(1, 11847213), (3, 3949071), (7, 1692459), (9, 1316357), (21, 564153), (63, 188051), (173, 68481), (519, 22827), (1087, 10899), (1211, 9783), (1557, 7609), (3261, 3633)]