128748105

素因数分解:

$3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{11971}}^1$

素因数の和:12221

約数の個数: 24

約数和(自身を含む): 224115840

約数和(自身を除く): 95367735

約数列:

[1, 3, 5, 9, 15, 45, 239, 717, 1195, 2151, 3585, 10755, 11971, 35913, 59855, 107739, 179565, 538695, 2861069, 8583207, 14305345, 25749621, 42916035, 128748105]

約数ペア:

[(1, 128748105), (3, 42916035), (5, 25749621), (9, 14305345), (15, 8583207), (45, 2861069), (239, 538695), (717, 179565), (1195, 107739), (2151, 59855), (3585, 35913), (10755, 11971)]