2780451291

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{809}}^1\times {\mathrm{17099}}^1$

素因数の和:17978

約数の個数: 16

約数和(自身を含む): 3767472000

約数和(自身を除く): 987020709

約数列:

[1, 3, 67, 201, 809, 2427, 17099, 51297, 54203, 162609, 1145633, 3436899, 13833091, 41499273, 926817097, 2780451291]

約数ペア:

[(1, 2780451291), (3, 926817097), (67, 41499273), (201, 13833091), (809, 3436899), (2427, 1145633), (17099, 162609), (51297, 54203)]