13500981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 21130200

約数和(自身を除く): 7629219

約数列:

[1, 3, 9, 13, 39, 117, 257, 449, 771, 1347, 2313, 3341, 4041, 5837, 10023, 17511, 30069, 52533, 115393, 346179, 1038537, 1500109, 4500327, 13500981]

約数ペア:

[(1, 13500981), (3, 4500327), (9, 1500109), (13, 1038537), (39, 346179), (117, 115393), (257, 52533), (449, 30069), (771, 17511), (1347, 10023), (2313, 5837), (3341, 4041)]