28728039

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 38937600

約数和(自身を除く): 10209561

約数列:

[1, 3, 103, 239, 309, 389, 717, 1167, 24617, 40067, 73851, 92971, 120201, 278913, 9576013, 28728039]

約数ペア:

[(1, 28728039), (3, 9576013), (103, 278913), (239, 120201), (309, 92971), (389, 73851), (717, 40067), (1167, 24617)]