7431215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 9997344

約数和(自身を除く): 2566129

約数列:

[1, 5, 11, 55, 71, 121, 173, 355, 605, 781, 865, 1903, 3905, 8591, 9515, 12283, 20933, 42955, 61415, 104665, 135113, 675565, 1486243, 7431215]

約数ペア:

[(1, 7431215), (5, 1486243), (11, 675565), (55, 135113), (71, 104665), (121, 61415), (173, 42955), (355, 20933), (605, 12283), (781, 9515), (865, 8591), (1903, 3905)]