131122173

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1546

約数の個数: 64

約数和(自身を含む): 239984640

約数和(自身を除く): 108862467

約数列:

[1, 3, 7, 13, 17, 19, 21, 39, 51, 57, 91, 119, 133, 221, 247, 273, 323, 357, 399, 663, 741, 969, 1487, 1547, 1729, 2261, 4199, 4461, 4641, 5187, 6783, 10409, 12597, 19331, 25279, 28253, 29393, 31227, 57993, 75837, 84759, 88179, 135317, 176953, 197771, 328627, 367289, 405951, 480301, 530859, 593313, 985881, 1101867, 1440903, 2300389, 2571023, 3362107, 6243913, 6901167, 7713069, 10086321, 18731739, 43707391, 131122173]

約数ペア:

[(1, 131122173), (3, 43707391), (7, 18731739), (13, 10086321), (17, 7713069), (19, 6901167), (21, 6243913), (39, 3362107), (51, 2571023), (57, 2300389), (91, 1440903), (119, 1101867), (133, 985881), (221, 593313), (247, 530859), (273, 480301), (323, 405951), (357, 367289), (399, 328627), (663, 197771), (741, 176953), (969, 135317), (1487, 88179), (1547, 84759), (1729, 75837), (2261, 57993), (4199, 31227), (4461, 29393), (4641, 28253), (5187, 25279), (6783, 19331), (10409, 12597)]