15811497

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 25522560

約数和(自身を除く): 9711063

約数列:

[1, 3, 9, 13, 27, 39, 107, 117, 321, 351, 421, 963, 1263, 1391, 2889, 3789, 4173, 5473, 11367, 12519, 16419, 37557, 45047, 49257, 135141, 147771, 405423, 585611, 1216269, 1756833, 5270499, 15811497]

約数ペア:

[(1, 15811497), (3, 5270499), (9, 1756833), (13, 1216269), (27, 585611), (39, 405423), (107, 147771), (117, 135141), (321, 49257), (351, 45047), (421, 37557), (963, 16419), (1263, 12519), (1391, 11367), (2889, 5473), (3789, 4173)]