56754321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 83825280

約数和(自身を除く): 27070959

約数列:

[1, 3, 13, 39, 83, 89, 197, 249, 267, 591, 1079, 1157, 2561, 3237, 3471, 7387, 7683, 16351, 17533, 22161, 49053, 52599, 96031, 212563, 227929, 288093, 637689, 683787, 1455239, 4365717, 18918107, 56754321]

約数ペア:

[(1, 56754321), (3, 18918107), (13, 4365717), (39, 1455239), (83, 683787), (89, 637689), (197, 288093), (249, 227929), (267, 212563), (591, 96031), (1079, 52599), (1157, 49053), (2561, 22161), (3237, 17533), (3471, 16351), (7387, 7683)]