128468325

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{12503}}^1$

素因数の和:12653

約数の個数: 24

約数和(自身を含む): 213968448

約数和(自身を除く): 85500123

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 685, 2055, 3425, 10275, 12503, 37509, 62515, 187545, 312575, 937725, 1712911, 5138733, 8564555, 25693665, 42822775, 128468325]

約数ペア:

[(1, 128468325), (3, 42822775), (5, 25693665), (15, 8564555), (25, 5138733), (75, 1712911), (137, 937725), (411, 312575), (685, 187545), (2055, 62515), (3425, 37509), (10275, 12503)]