128889285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{3947}}^1$

素因数の和:4273

約数の個数: 32

約数和(自身を含む): 236500992

約数和(自身を除く): 107611707

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 311, 933, 1555, 2177, 3947, 4665, 6531, 10885, 11841, 19735, 27629, 32655, 59205, 82887, 138145, 414435, 1227517, 3682551, 6137585, 8592619, 18412755, 25777857, 42963095, 128889285]

約数ペア:

[(1, 128889285), (3, 42963095), (5, 25777857), (7, 18412755), (15, 8592619), (21, 6137585), (35, 3682551), (105, 1227517), (311, 414435), (933, 138145), (1555, 82887), (2177, 59205), (3947, 32655), (4665, 27629), (6531, 19735), (10885, 11841)]