12149721

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 18613920

約数和(自身を除く): 6464199

約数列:

[1, 3, 9, 19, 57, 171, 227, 313, 681, 939, 2043, 2817, 4313, 5947, 12939, 17841, 38817, 53523, 71051, 213153, 639459, 1349969, 4049907, 12149721]

約数ペア:

[(1, 12149721), (3, 4049907), (9, 1349969), (19, 639459), (57, 213153), (171, 71051), (227, 53523), (313, 38817), (681, 17841), (939, 12939), (2043, 5947), (2817, 4313)]