399441

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{827}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 635904

約数和(自身を除く): 236463

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 827, 2481, 5789, 17367, 19021, 57063, 133147, 399441]

約数ペア:

[(1, 399441), (3, 133147), (7, 57063), (21, 19021), (23, 17367), (69, 5789), (161, 2481), (483, 827)]