128557515

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23741}}^1$

素因数の和:23787

約数の個数: 24

約数和(自身を含む): 217096848

約数和(自身を除く): 88539333

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 5415, 23741, 71223, 118705, 356115, 451079, 1353237, 2255395, 6766185, 8570501, 25711503, 42852505, 128557515]

約数ペア:

[(1, 128557515), (3, 42852505), (5, 25711503), (15, 8570501), (19, 6766185), (57, 2255395), (95, 1353237), (285, 451079), (361, 356115), (1083, 118705), (1805, 71223), (5415, 23741)]