399779463

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{643}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 576446976

約数和(自身を除く): 176667513

約数列:

[1, 3, 17, 51, 73, 167, 219, 501, 643, 1241, 1929, 2839, 3723, 8517, 10931, 12191, 32793, 36573, 46939, 107381, 140817, 207247, 322143, 621741, 797963, 1825477, 2393889, 5476431, 7838813, 23516439, 133259821, 399779463]

約数ペア:

[(1, 399779463), (3, 133259821), (17, 23516439), (51, 7838813), (73, 5476431), (167, 2393889), (219, 1825477), (501, 797963), (643, 621741), (1241, 322143), (1929, 207247), (2839, 140817), (3723, 107381), (8517, 46939), (10931, 36573), (12191, 32793)]