31354959

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 14367921

約数列:

[1, 3, 19, 53, 57, 97, 107, 159, 291, 321, 1007, 1843, 2033, 3021, 5141, 5529, 5671, 6099, 10379, 15423, 17013, 31137, 97679, 107749, 197201, 293037, 323247, 550087, 591603, 1650261, 10451653, 31354959]

約数ペア:

[(1, 31354959), (3, 10451653), (19, 1650261), (53, 591603), (57, 550087), (97, 323247), (107, 293037), (159, 197201), (291, 107749), (321, 97679), (1007, 31137), (1843, 17013), (2033, 15423), (3021, 10379), (5141, 6099), (5529, 5671)]