213477407

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{78571}}^1$

素因数の和:78614

約数の個数: 16

約数和(自身を含む): 264001920

約数和(自身を除く): 50524513

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 78571, 864281, 1021423, 1492849, 11235653, 16421339, 19407037, 213477407]

約数ペア:

[(1, 213477407), (11, 19407037), (13, 16421339), (19, 11235653), (143, 1492849), (209, 1021423), (247, 864281), (2717, 78571)]