15783201

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 27914880

約数和(自身を除く): 12131679

約数列:

[1, 3, 7, 9, 21, 27, 37, 61, 63, 111, 183, 189, 259, 333, 427, 549, 777, 999, 1281, 1369, 1647, 2257, 2331, 3843, 4107, 6771, 6993, 9583, 11529, 12321, 15799, 20313, 28749, 36963, 47397, 60939, 83509, 86247, 142191, 250527, 258741, 426573, 584563, 751581, 1753689, 2254743, 5261067, 15783201]

約数ペア:

[(1, 15783201), (3, 5261067), (7, 2254743), (9, 1753689), (21, 751581), (27, 584563), (37, 426573), (61, 258741), (63, 250527), (111, 142191), (183, 86247), (189, 83509), (259, 60939), (333, 47397), (427, 36963), (549, 28749), (777, 20313), (999, 15799), (1281, 12321), (1369, 11529), (1647, 9583), (2257, 6993), (2331, 6771), (3843, 4107)]