87161949

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72817}}^1$

素因数の和:72849

約数の個数: 24

約数和(自身を含む): 151461440

約数和(自身を除く): 64299491

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 72817, 218451, 509719, 655353, 1383523, 1529157, 4150569, 4587471, 9684661, 12451707, 29053983, 87161949]

約数ペア:

[(1, 87161949), (3, 29053983), (7, 12451707), (9, 9684661), (19, 4587471), (21, 4150569), (57, 1529157), (63, 1383523), (133, 655353), (171, 509719), (399, 218451), (1197, 72817)]