128525715

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{26203}}^1$

素因数の和:26323

約数の個数: 24

約数和(自身を含む): 224830320

約数和(自身を除く): 96304605

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 26203, 78609, 131015, 235827, 393045, 1179135, 2856127, 8568381, 14280635, 25705143, 42841905, 128525715]

約数ペア:

[(1, 128525715), (3, 42841905), (5, 25705143), (9, 14280635), (15, 8568381), (45, 2856127), (109, 1179135), (327, 393045), (545, 235827), (981, 131015), (1635, 78609), (4905, 26203)]