686240937

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{540773}}^1$

素因数の和:540829

約数の個数: 16

約数和(自身を含む): 1038286080

約数和(自身を除く): 352045143

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 540773, 1622319, 4866957, 14600871, 25416331, 76248993, 228746979, 686240937]

約数ペア:

[(1, 686240937), (3, 228746979), (9, 76248993), (27, 25416331), (47, 14600871), (141, 4866957), (423, 1622319), (1269, 540773)]