387881207

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{36479}}^1$

素因数の和:36531

約数の個数: 16

約数和(自身を含む): 466944000

約数和(自身を除く): 79062793

約数列:

[1, 7, 31, 49, 217, 343, 1519, 10633, 36479, 255353, 1130849, 1787471, 7915943, 12512297, 55411601, 387881207]

約数ペア:

[(1, 387881207), (7, 55411601), (31, 12512297), (49, 7915943), (217, 1787471), (343, 1130849), (1519, 255353), (10633, 36479)]