399426369

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{6101}}^1$

素因数の和:6400

約数の個数: 16

約数和(自身を含む): 539904960

約数和(自身を除く): 140478591

約数列:

[1, 3, 139, 157, 417, 471, 6101, 18303, 21823, 65469, 848039, 957857, 2544117, 2873571, 133142123, 399426369]

約数ペア:

[(1, 399426369), (3, 133142123), (139, 2873571), (157, 2544117), (417, 957857), (471, 848039), (6101, 65469), (18303, 21823)]