1260937983

素因数分解:

$3^1\times {\mathrm{19}}^3\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 1789032960

約数和(自身を除く): 528094977

約数列:

[1, 3, 19, 57, 233, 263, 361, 699, 789, 1083, 4427, 4997, 6859, 13281, 14991, 20577, 61279, 84113, 94943, 183837, 252339, 284829, 1164301, 1598147, 1803917, 3492903, 4794441, 5411751, 22121719, 66365157, 420312661, 1260937983]

約数ペア:

[(1, 1260937983), (3, 420312661), (19, 66365157), (57, 22121719), (233, 5411751), (263, 4794441), (361, 3492903), (699, 1803917), (789, 1598147), (1083, 1164301), (4427, 284829), (4997, 252339), (6859, 183837), (13281, 94943), (14991, 84113), (20577, 61279)]