380721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 16

約数和(自身を含む): 564480

約数和(自身を除く): 183759

約数列:

[1, 3, 11, 33, 83, 139, 249, 417, 913, 1529, 2739, 4587, 11537, 34611, 126907, 380721]

約数ペア:

[(1, 380721), (3, 126907), (11, 34611), (33, 11537), (83, 4587), (139, 2739), (249, 1529), (417, 913)]