12820959

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 19480032

約数和(自身を除く): 6659073

約数列:

[1, 3, 9, 23, 69, 207, 241, 257, 723, 771, 2169, 2313, 5543, 5911, 16629, 17733, 49887, 53199, 61937, 185811, 557433, 1424551, 4273653, 12820959]

約数ペア:

[(1, 12820959), (3, 4273653), (9, 1424551), (23, 557433), (69, 185811), (207, 61937), (241, 53199), (257, 49887), (723, 17733), (771, 16629), (2169, 5911), (2313, 5543)]