13440843

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 21672000

約数和(自身を除く): 8231157

約数列:

[1, 3, 9, 13, 27, 39, 117, 149, 257, 351, 447, 771, 1341, 1937, 2313, 3341, 4023, 5811, 6939, 10023, 17433, 30069, 38293, 52299, 90207, 114879, 344637, 497809, 1033911, 1493427, 4480281, 13440843]

約数ペア:

[(1, 13440843), (3, 4480281), (9, 1493427), (13, 1033911), (27, 497809), (39, 344637), (117, 114879), (149, 90207), (257, 52299), (351, 38293), (447, 30069), (771, 17433), (1341, 10023), (1937, 6939), (2313, 5811), (3341, 4023)]