1556402415

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{51341}}^1$

素因数の和:51439

約数の個数: 32

約数和(自身を含む): 2602423296

約数和(自身を除く): 1046020881

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 645, 705, 2021, 6063, 10105, 30315, 51341, 154023, 256705, 770115, 2207663, 2413027, 6622989, 7239081, 11038315, 12065135, 33114945, 36195405, 103760161, 311280483, 518800805, 1556402415]

約数ペア:

[(1, 1556402415), (3, 518800805), (5, 311280483), (15, 103760161), (43, 36195405), (47, 33114945), (129, 12065135), (141, 11038315), (215, 7239081), (235, 6622989), (645, 2413027), (705, 2207663), (2021, 770115), (6063, 256705), (10105, 154023), (30315, 51341)]