257993541

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{5849}}^1$

素因数の和:5910

約数の個数: 36

約数和(自身を含む): 417514500

約数和(自身を除く): 159520959

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 169, 261, 377, 507, 1131, 1521, 3393, 4901, 5849, 14703, 17547, 44109, 52641, 76037, 169621, 228111, 508863, 684333, 988481, 1526589, 2205073, 2965443, 6615219, 8896329, 19845657, 28665949, 85997847, 257993541]

約数ペア:

[(1, 257993541), (3, 85997847), (9, 28665949), (13, 19845657), (29, 8896329), (39, 6615219), (87, 2965443), (117, 2205073), (169, 1526589), (261, 988481), (377, 684333), (507, 508863), (1131, 228111), (1521, 169621), (3393, 76037), (4901, 52641), (5849, 44109), (14703, 17547)]