2878407

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 36

約数和(自身を含む): 4961736

約数和(自身を除く): 2083329

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 107, 147, 183, 321, 427, 441, 549, 749, 963, 1281, 2247, 2989, 3843, 5243, 6527, 6741, 8967, 15729, 19581, 26901, 45689, 47187, 58743, 137067, 319823, 411201, 959469, 2878407]

約数ペア:

[(1, 2878407), (3, 959469), (7, 411201), (9, 319823), (21, 137067), (49, 58743), (61, 47187), (63, 45689), (107, 26901), (147, 19581), (183, 15729), (321, 8967), (427, 6741), (441, 6527), (549, 5243), (749, 3843), (963, 2989), (1281, 2247)]