20121223191

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{378439}}^1$

素因数の和:378958

約数の個数: 16

約数和(自身を含む): 27610982400

約数和(自身を除く): 7489759209

約数列:

[1, 3, 37, 111, 479, 1437, 17723, 53169, 378439, 1135317, 14002243, 42006729, 181272281, 543816843, 6707074397, 20121223191]

約数ペア:

[(1, 20121223191), (3, 6707074397), (37, 543816843), (111, 181272281), (479, 42006729), (1437, 14002243), (17723, 1135317), (53169, 378439)]