16138689

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1087}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 25302528

約数和(自身を除く): 9163839

約数列:

[1, 3, 7, 21, 49, 101, 147, 303, 707, 1087, 2121, 3261, 4949, 7609, 14847, 22827, 53263, 109787, 159789, 329361, 768509, 2305527, 5379563, 16138689]

約数ペア:

[(1, 16138689), (3, 5379563), (7, 2305527), (21, 768509), (49, 329361), (101, 159789), (147, 109787), (303, 53263), (707, 22827), (1087, 14847), (2121, 7609), (3261, 4949)]