39640881

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{40163}}^1$

素因数の和:40220

約数の個数: 16

約数和(自身を含む): 61691904

約数和(自身を除く): 22051023

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 40163, 120489, 281141, 843423, 1887661, 5662983, 13213627, 39640881]

約数ペア:

[(1, 39640881), (3, 13213627), (7, 5662983), (21, 1887661), (47, 843423), (141, 281141), (329, 120489), (987, 40163)]