31770459

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4993}}^1$

素因数の和:5107

約数の個数: 24

約数和(自身を含む): 52976352

約数和(自身を除く): 21205893

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 4993, 6363, 14979, 34951, 44937, 104853, 314559, 504293, 1512879, 3530051, 4538637, 10590153, 31770459]

約数ペア:

[(1, 31770459), (3, 10590153), (7, 4538637), (9, 3530051), (21, 1512879), (63, 504293), (101, 314559), (303, 104853), (707, 44937), (909, 34951), (2121, 14979), (4993, 6363)]