20131137

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2357}}^1$

素因数の和:2449

約数の個数: 24

約数和(自身を含む): 31757544

約数和(自身を除く): 11626407

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2357, 2847, 7071, 8541, 21213, 30641, 91923, 172061, 275769, 516183, 1548549, 2236793, 6710379, 20131137]

約数ペア:

[(1, 20131137), (3, 6710379), (9, 2236793), (13, 1548549), (39, 516183), (73, 275769), (117, 172061), (219, 91923), (657, 30641), (949, 21213), (2357, 8541), (2847, 7071)]