42688515

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{20773}}^1$

素因数の和:20918

約数の個数: 16

約数和(自身を含む): 68803488

約数和(自身を除く): 26114973

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 20773, 62319, 103865, 311595, 2845901, 8537703, 14229505, 42688515]

約数ペア:

[(1, 42688515), (3, 14229505), (5, 8537703), (15, 2845901), (137, 311595), (411, 103865), (685, 62319), (2055, 20773)]