25540677

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 40

約数和(自身を含む): 40249440

約数和(自身を除く): 14708763

約数列:

[1, 3, 9, 27, 29, 81, 83, 87, 131, 249, 261, 393, 747, 783, 1179, 2241, 2349, 2407, 3537, 3799, 6723, 7221, 10611, 10873, 11397, 21663, 32619, 34191, 64989, 97857, 102573, 194967, 293571, 307719, 315317, 880713, 945951, 2837853, 8513559, 25540677]

約数ペア:

[(1, 25540677), (3, 8513559), (9, 2837853), (27, 945951), (29, 880713), (81, 315317), (83, 307719), (87, 293571), (131, 194967), (249, 102573), (261, 97857), (393, 64989), (747, 34191), (783, 32619), (1179, 21663), (2241, 11397), (2349, 10873), (2407, 10611), (3537, 7221), (3799, 6723)]