13758381

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 24845184

約数和(自身を除く): 11086803

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 107, 117, 157, 273, 321, 471, 749, 819, 963, 1099, 1391, 1413, 2041, 2247, 3297, 4173, 6123, 6741, 9737, 9891, 12519, 14287, 16799, 18369, 29211, 42861, 50397, 87633, 117593, 128583, 151191, 218387, 352779, 655161, 1058337, 1528709, 1965483, 4586127, 13758381]

約数ペア:

[(1, 13758381), (3, 4586127), (7, 1965483), (9, 1528709), (13, 1058337), (21, 655161), (39, 352779), (63, 218387), (91, 151191), (107, 128583), (117, 117593), (157, 87633), (273, 50397), (321, 42861), (471, 29211), (749, 18369), (819, 16799), (963, 14287), (1099, 12519), (1391, 9891), (1413, 9737), (2041, 6741), (2247, 6123), (3297, 4173)]