1388890594341

素因数分解:

$3^4\times {\mathrm{19249}}^1\times {\mathrm{890789}}^1$

素因数の和:910050

約数の個数: 20

約数和(自身を含む): 2074872607500

約数和(自身を除く): 685982013159

約数列:

[1, 3, 9, 27, 81, 19249, 57747, 173241, 519723, 890789, 1559169, 2672367, 8017101, 24051303, 72153909, 17146797461, 51440392383, 154321177149, 462963531447, 1388890594341]

約数ペア:

[(1, 1388890594341), (3, 462963531447), (9, 154321177149), (27, 51440392383), (81, 17146797461), (19249, 72153909), (57747, 24051303), (173241, 8017101), (519723, 2672367), (890789, 1559169)]