12820641

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 17565120

約数和(自身を除く): 4744479

約数列:

[1, 3, 59, 113, 177, 339, 641, 1923, 6667, 20001, 37819, 72433, 113457, 217299, 4273547, 12820641]

約数ペア:

[(1, 12820641), (3, 4273547), (59, 217299), (113, 113457), (177, 72433), (339, 37819), (641, 20001), (1923, 6667)]