378171489

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{21391}}^1$

素因数の和:21548

約数の個数: 16

約数和(自身を含む): 517515264

約数和(自身を除く): 139343775

約数列:

[1, 3, 71, 83, 213, 249, 5893, 17679, 21391, 64173, 1518761, 1775453, 4556283, 5326359, 126057163, 378171489]

約数ペア:

[(1, 378171489), (3, 126057163), (71, 5326359), (83, 4556283), (213, 1775453), (249, 1518761), (5893, 64173), (17679, 21391)]