280617519

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{3793}}^1$

素因数の和:4087

約数の個数: 32

約数和(自身を含む): 462321664

約数和(自身を除く): 181704145

約数列:

[1, 3, 7, 13, 21, 39, 91, 271, 273, 813, 1897, 3523, 3793, 5691, 10569, 11379, 24661, 26551, 49309, 73983, 79653, 147927, 345163, 1027903, 1035489, 3083709, 7195321, 13362739, 21585963, 40088217, 93539173, 280617519]

約数ペア:

[(1, 280617519), (3, 93539173), (7, 40088217), (13, 21585963), (21, 13362739), (39, 7195321), (91, 3083709), (271, 1035489), (273, 1027903), (813, 345163), (1897, 147927), (3523, 79653), (3793, 73983), (5691, 49309), (10569, 26551), (11379, 24661)]