128337405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{11423}}^1$

素因数の和:11545

約数の個数: 32

約数和(自身を含む): 236888064

約数和(自身を除く): 108550659

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 107, 321, 535, 749, 1605, 2247, 3745, 11235, 11423, 34269, 57115, 79961, 171345, 239883, 399805, 1199415, 1222261, 3666783, 6111305, 8555827, 18333915, 25667481, 42779135, 128337405]

約数ペア:

[(1, 128337405), (3, 42779135), (5, 25667481), (7, 18333915), (15, 8555827), (21, 6111305), (35, 3666783), (105, 1222261), (107, 1199415), (321, 399805), (535, 239883), (749, 171345), (1605, 79961), (2247, 57115), (3745, 34269), (11235, 11423)]