51172989

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 80424960

約数和(自身を除く): 29251971

約数列:

[1, 3, 7, 21, 47, 139, 141, 329, 373, 417, 973, 987, 1119, 2611, 2919, 6533, 7833, 17531, 19599, 45731, 51847, 52593, 122717, 137193, 155541, 362929, 368151, 1088787, 2436809, 7310427, 17057663, 51172989]

約数ペア:

[(1, 51172989), (3, 17057663), (7, 7310427), (21, 2436809), (47, 1088787), (139, 368151), (141, 362929), (329, 155541), (373, 137193), (417, 122717), (973, 52593), (987, 51847), (1119, 45731), (2611, 19599), (2919, 17531), (6533, 7833)]