254668617

素因数分解:

$3^5\times 7^1\times {\mathrm{149717}}^1$

素因数の和:149739

約数の個数: 24

約数和(自身を含む): 435978816

約数和(自身を除く): 181310199

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 149717, 449151, 1048019, 1347453, 3144057, 4042359, 9432171, 12127077, 28296513, 36381231, 84889539, 254668617]

約数ペア:

[(1, 254668617), (3, 84889539), (7, 36381231), (9, 28296513), (21, 12127077), (27, 9432171), (63, 4042359), (81, 3144057), (189, 1347453), (243, 1048019), (567, 449151), (1701, 149717)]