255767499

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{128591}}^1$

素因数の和:128627

約数の個数: 24

約数和(自身を含む): 421267392

約数和(自身を除く): 165499893

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 128591, 385773, 1157319, 1671683, 2186047, 5015049, 6558141, 15045147, 19674423, 28418611, 85255833, 255767499]

約数ペア:

[(1, 255767499), (3, 85255833), (9, 28418611), (13, 19674423), (17, 15045147), (39, 6558141), (51, 5015049), (117, 2186047), (153, 1671683), (221, 1157319), (663, 385773), (1989, 128591)]