1229787

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 2000544

約数和(自身を除く): 770757

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 457, 897, 1371, 2691, 4113, 5941, 10511, 17823, 31533, 53469, 94599, 136643, 409929, 1229787]

約数ペア:

[(1, 1229787), (3, 409929), (9, 136643), (13, 94599), (23, 53469), (39, 31533), (69, 17823), (117, 10511), (207, 5941), (299, 4113), (457, 2691), (897, 1371)]