201709989

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 322067200

約数和(自身を除く): 120357211

約数列:

[1, 3, 9, 13, 39, 79, 117, 139, 157, 237, 417, 471, 711, 1027, 1251, 1413, 1807, 2041, 3081, 5421, 6123, 9243, 10981, 12403, 16263, 18369, 21823, 32943, 37209, 65469, 98829, 111627, 142753, 161239, 196407, 283699, 428259, 483717, 851097, 1284777, 1451151, 1724017, 2553291, 5172051, 15516153, 22412221, 67236663, 201709989]

約数ペア:

[(1, 201709989), (3, 67236663), (9, 22412221), (13, 15516153), (39, 5172051), (79, 2553291), (117, 1724017), (139, 1451151), (157, 1284777), (237, 851097), (417, 483717), (471, 428259), (711, 283699), (1027, 196407), (1251, 161239), (1413, 142753), (1807, 111627), (2041, 98829), (3081, 65469), (5421, 37209), (6123, 32943), (9243, 21823), (10981, 18369), (12403, 16263)]