840507423

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1740181}}^1$

素因数の和:1740214

約数の個数: 16

約数和(自身を含む): 1336459776

約数和(自身を除く): 495952353

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 1740181, 5220543, 12181267, 36543801, 40024163, 120072489, 280169141, 840507423]

約数ペア:

[(1, 840507423), (3, 280169141), (7, 120072489), (21, 40024163), (23, 36543801), (69, 12181267), (161, 5220543), (483, 1740181)]