1288492737

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{256723}}^1$

素因数の和:256972

約数の個数: 16

約数和(自身を含む): 1971640320

約数和(自身を除く): 683147583

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 256723, 770169, 1797061, 5391183, 61356797, 184070391, 429497579, 1288492737]

約数ペア:

[(1, 1288492737), (3, 429497579), (7, 184070391), (21, 61356797), (239, 5391183), (717, 1797061), (1673, 770169), (5019, 256723)]