127725555

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{7877}}^1$

素因数の和:7955

約数の個数: 32

約数和(自身を含む): 217810944

約数和(自身を除く): 90085389

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5405, 7877, 16215, 23631, 39385, 118155, 181171, 370219, 543513, 905855, 1110657, 1851095, 2717565, 5553285, 8515037, 25545111, 42575185, 127725555]

約数ペア:

[(1, 127725555), (3, 42575185), (5, 25545111), (15, 8515037), (23, 5553285), (47, 2717565), (69, 1851095), (115, 1110657), (141, 905855), (235, 543513), (345, 370219), (705, 181171), (1081, 118155), (3243, 39385), (5405, 23631), (7877, 16215)]