56721843

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{647}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 89579520

約数和(自身を除く): 32857677

約数列:

[1, 3, 9, 17, 27, 51, 153, 191, 459, 573, 647, 1719, 1941, 3247, 5157, 5823, 9741, 10999, 17469, 29223, 32997, 87669, 98991, 123577, 296973, 370731, 1112193, 2100809, 3336579, 6302427, 18907281, 56721843]

約数ペア:

[(1, 56721843), (3, 18907281), (9, 6302427), (17, 3336579), (27, 2100809), (51, 1112193), (153, 370731), (191, 296973), (459, 123577), (573, 98991), (647, 87669), (1719, 32997), (1941, 29223), (3247, 17469), (5157, 10999), (5823, 9741)]