15966639

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 40

約数和(自身を含む): 26223120

約数和(自身を除く): 10256481

約数列:

[1, 3, 9, 13, 27, 39, 59, 81, 117, 177, 257, 351, 531, 767, 771, 1053, 1593, 2301, 2313, 3341, 4779, 6903, 6939, 10023, 15163, 20709, 20817, 30069, 45489, 62127, 90207, 136467, 197119, 270621, 409401, 591357, 1228203, 1774071, 5322213, 15966639]

約数ペア:

[(1, 15966639), (3, 5322213), (9, 1774071), (13, 1228203), (27, 591357), (39, 409401), (59, 270621), (81, 197119), (117, 136467), (177, 90207), (257, 62127), (351, 45489), (531, 30069), (767, 20817), (771, 20709), (1053, 15163), (1593, 10023), (2301, 6939), (2313, 6903), (3341, 4779)]