31300269

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1489}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 57072960

約数和(自身を除く): 25772691

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 429, 539, 637, 1001, 1489, 1617, 1911, 3003, 4467, 7007, 10423, 16379, 19357, 21021, 31269, 49137, 58071, 72961, 114653, 135499, 212927, 218883, 343959, 406497, 638781, 802571, 948493, 1490489, 2407713, 2845479, 4471467, 10433423, 31300269]

約数ペア:

[(1, 31300269), (3, 10433423), (7, 4471467), (11, 2845479), (13, 2407713), (21, 1490489), (33, 948493), (39, 802571), (49, 638781), (77, 406497), (91, 343959), (143, 218883), (147, 212927), (231, 135499), (273, 114653), (429, 72961), (539, 58071), (637, 49137), (1001, 31269), (1489, 21021), (1617, 19357), (1911, 16379), (3003, 10423), (4467, 7007)]