389628741

素因数分解:

$3^1\times {\mathrm{431}}^1\times {\mathrm{541}}^1\times {\mathrm{557}}^1$

素因数の和:1532

約数の個数: 16

約数和(自身を含む): 522609408

約数和(自身を除く): 132980667

約数列:

[1, 3, 431, 541, 557, 1293, 1623, 1671, 233171, 240067, 301337, 699513, 720201, 904011, 129876247, 389628741]

約数ペア:

[(1, 389628741), (3, 129876247), (431, 904011), (541, 720201), (557, 699513), (1293, 301337), (1623, 240067), (1671, 233171)]