407991

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:182

約数の個数: 16

約数和(自身を含む): 580608

約数和(自身を除く): 172617

約数列:

[1, 3, 31, 41, 93, 107, 123, 321, 1271, 3317, 3813, 4387, 9951, 13161, 135997, 407991]

約数ペア:

[(1, 407991), (3, 135997), (31, 13161), (41, 9951), (93, 4387), (107, 3813), (123, 3317), (321, 1271)]