31380699

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40387}}^1$

素因数の和:40434

約数の個数: 16

約数和(自身を含む): 49111808

約数和(自身を除く): 17731109

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 40387, 121161, 282709, 848127, 1494319, 4482957, 10460233, 31380699]

約数ペア:

[(1, 31380699), (3, 10460233), (7, 4482957), (21, 1494319), (37, 848127), (111, 282709), (259, 121161), (777, 40387)]