42972705

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8761}}^1$

素因数の和:8881

約数の個数: 24

約数和(自身を含む): 75177960

約数和(自身を除く): 32205255

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 8761, 26283, 43805, 78849, 131415, 394245, 954949, 2864847, 4774745, 8594541, 14324235, 42972705]

約数ペア:

[(1, 42972705), (3, 14324235), (5, 8594541), (9, 4774745), (15, 2864847), (45, 954949), (109, 394245), (327, 131415), (545, 78849), (981, 43805), (1635, 26283), (4905, 8761)]