12791997

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 19593600

約数和(自身を除く): 6801603

約数列:

[1, 3, 9, 19, 57, 171, 239, 313, 717, 939, 2151, 2817, 4541, 5947, 13623, 17841, 40869, 53523, 74807, 224421, 673263, 1421333, 4263999, 12791997]

約数ペア:

[(1, 12791997), (3, 4263999), (9, 1421333), (19, 673263), (57, 224421), (171, 74807), (239, 53523), (313, 40869), (717, 17841), (939, 13623), (2151, 5947), (2817, 4541)]